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The association of type and number of high-risk criteria with cancer-specific mortality in prostate cancer patients treated with radical prostatectomy

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CURRENT UROLOGY 2024年第2期18卷 128-132页

作者： Chierigo, Francesco Flammia, Rocco Simone Sorce, Gabriele Hoeh, Benedikt hohenhorst, lukas Panunzio, Andrea Tian, Zhe Saad, Fred Graefen, Marcus Gallucci, Michele Briganti, Alberto Montorsi, Francesco Chun, Felix K. H. Shariat, Shahrokh F. Antonelli, Alessandro Guano, Giovanni Mantica, Guglielmo Borghesi, Marco Suardi, Nazareno Terrone, Carlo Karakiewicz, Pierre I. Univ Genoa Dept Surg & Integrated Diagnost Sci Genoa Italy IRCCS Osped Policlin San Martino Genoa Italy Univ Montreal Hlth Ctr Div Urol Canc Prognost & Hlth Outcomes Unit Montreal PQ Canada IRCCS Policlin San Martino Dept Urol Genoa Italy Univ Genoa Policlin San Martino Hosp Dept Urol Largo Rosanna Benzi 10 I-16132 Genoa Italy Sapienza Rome Univ Policlin Umberto Hosp 1 Dept Maternal Child & Urol Sci Rome Italy Univ Hosp Frankfurt Dept Urol Frankfurt Germany Univ Hosp Hamburg Eppendorf Martini Klin Prostate Canc Ctr Hamburg Germany Univ Verona Azienda Osped Univ Integrata Verona Dept Urol Verona Italy IRCCS San Raffaele Sci Inst Urol Res Inst Div Expt Oncol Unit Urol Milan Italy Med Univ Vienna Comprehens Canc Ctr Dept Urol Vienna Austria Weill Cornell Med Coll Dept Urol New York NY USA Univ Texas Southwestern Dept Urol Dallas TX USA Charles Univ Prague Fac Med 2 Dept Urol Prague Czech Republic IM Sechenov First Moscow State Med Univ Inst Urol & Reprod Hlth Moscow Russia Univ Jordan Jordan Univ Hosp Dept Special Surg Div Urol Amman Jordan

Objectives: This study aimed to test the association between of type and number of D'Amico high-risk criteria (DHRCs) with cancer-specific mortality (CSM) in high-risk prostate cancer patients treated with radical prostatectomy. Materials and methods: In the Surveillance, Epidemiology, and End Results database (2004-2016), we identified 31,281 radical prostatectomy patients with at least 1 DHRC, namely, prostate-specific antigen (PSA) >20 ng/mL (hrPSA), biopsy Gleason Grade Group (hrGGG) score of 4 and 5, or clinical tumor stage >= T3 (hrcT). Multivariable Cox regression models and competing risks regression models (adjusting for other cause mortality) tested the association between DHRCs and 5-year CSM. Results: Of 31,281 patients, 14,394 (67%) exclusively harbored hrGGG, 3189 (15%) harbored hrPSA, and 1781 (8.2%) harbored hrcT. Only 2132 patients (6.8%) harbored a combination of the 2 DHRCs, and 138 (0.6%) had all 3 DHRCs. Five-year CSM rates ranged from 0.9% to 3.0% when any individual DHRC was present (hrcT, hrPSA, and hrGGG, in that order), 1.6% to 5.9% when 2 DHRCs were present (hrPSA-hrcT, hrcT-hrGGG, and hrPSA-hrGGG, in that order), and 8.1% when all 3 DHRCs were present. Cox regression models and competing risks regression confirmed the independent predictor status of DHRCs for 5-year CSM that was observed in univariable analyses, with hazard ratios from 1.00 to 2.83 for 1 DHRC, 2.35 to 5.88 for combinations of 2 DHRCs, and 7.13 for all 3 DHRCs. Conclusions: Within individual DHRCs, hrcT and hrPSA exhibited weaker effects than hrGGG did. Moreover, a dose-response effect was identified according to the number of DHRCs. Accordingly, the type and number of DHRCs allow further risk stratification within the high-risk subgroup.

关键词： High risk prostate cancer Radical prostatectomy Cancer-specific mortality Staging SEER BEAM RADIATION-THERAPY RATES

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Comparison of survival outcomes between laparoscopic versus open radical nephroureterectomy in upper tract urothelial cancer patients:Experiences of a tertiary care single center

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Current Urology 2023年第4期17卷 292-298页

作者： Benedikt Hoeh Marina Kosiba Mike Wenzel Nicola Meister Felix Preisser Shahrokh F.Shariat Jan lukas hohenhorst Andreas Becker Philipp Mandel Severine Banek Frederik Roos Pierre I.Karakiewicz Felix K.H.Chun Luis A.Kluth Department of Urology University Hospital FrankfurtGoethe University Frankfurt am MainFrankfurt am Main60590Germany Cancer Prognostics and Health Outcomes Unit Division of UrologyUniversity of Montreal Health CenterMontrealQuebecCanada Department of Urology Comprehensive Cancer CenterMedical University of ViennaViennaAustria Department of Urology Weill Cornell Medical CollegeNew YorkNYUSA Department of Urology University of Texas SouthwesternDallasTXUSA Department of Urology Second Faculty of MedicineCharles UniversityPragueCzech Republic Institute for Urology and Reproductive Health I.M.Sechenov First Moscow State Medical UniversityMoscowRussia Division of Urology Department of Special SurgeryJordan University HospitalThe University of JordanAmmanJordan Martini-Klinik Prostate Cancer Center University Hospital Hamburg-EppendorfHamburgGermany

Objectives:To test for differences in overall and recurrence-free survival between laparoscopic and open surgical approaches in patients undergoing radical nephroureterectomy(RNU)for upper tract urothelial carcinoma(UTUC).Materials and methods:We retrospectively identified patients treated for UTUC from 2010 to 2020 from our institutional *** undergoing laparoscopic or open RNU with no suspicion of metastasis(cM0)were for the current study *** with suspected metastases at diagnosis(cM1)or those undergoing other surgical treatments were *** was performed according to the laparoscopic versus open surgical ***-Meier plots were used to test for differences in overall and recurrence-free survival with regard to the surgical ***,separate Kaplan-Meier plots were used to test the effect of preoperative ureterorenoscopy on overall and recurrence-free survival within the overall study ***:Of the 59 patients who underwent nephroureterectomy,29%(n=17)underwent laparoscopic nephroureterectomy,whereas 71%(n=42)underwent open *** and tumor characteristics were comparable between groups(p≥0.2).The median overall survival was 93 and 73 months in the laparoscopic nephroureterectomy group compared to the open nephroureterectomy group(p=0.5),*** median recurrence-free survival did not differ between open and laparoscopic nephroureterectomies(73 months for both groups;p=0.9).Furthermore,the median overall and recurrence-free survival rates did not differ between patients treated with and without preoperative ***:The results of this retrospective,single-center institution showed that overall and recurrence-free survival rates did not differ between patients with UTUC treated with laparoscopic and open ***,preoperative ureterorenoscopy before RNU was not associated with higher overall or recurrence-free survival rates.

关键词： Upper tract urothelial carcinoma Laparoscopic radical nephroureterectomy Open radical nephroureterectomy Overall survival

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Experimental investigation of radiative heat propagation in a simplified generic packed bed

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Particuology 2024年第5期88卷 149-160页

作者： Matthias Tyslik lukas Pörtner Siegmar Wirtz Martin Schiemann Institute of Energy Plant Technology Ruhr-University Bochum44780 BochumGermany

A novel test rig for the investigation of radiative heat transfer in packed beds has been developed and is introduced with representative experimental *** individual components and the calibration are *** generic packed bed is realized in a simplified way by an arrangement of parallel rods,which represent particles in *** this arrangement,electrically heated rods provide the radiation propagating through the rod array to heat the passive counterparts.A sophisticated temperature-control scheme with a large number of thermocouples and infrared-imaging provides in-depth information about heat transfer in the *** radiation intensities are determined with a Fourier-transform infrared spectroscopy,which has been modified and validated for this specific *** order to compare the influence of different surface properties of particles on the heat propagation and surface reflections,rod samples made of stainless steel and magnesium oxide are *** influence of material properties becomes clearly visible by comparing the high radiation intensities resulting from a stainless steel rod array to the same geometry built from magnesium oxide *** addition,the influence of the surface properties is particularly evident in the infrared images since the reflections are significantly higher for the stainless steel samples than for the magnesium oxide *** experimental results in the current work demonstrate the ability of the test rig to provide data with a well-defined accuracy as a validation base for numerical radiation simulations in packed beds.

关键词： Thermal radiation Spectral reflections Fourier-transform infrared spectroscopy

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Scalable orthogonal delay-division multiplexed OEO artificial neural network trained for TI-ADC equalization

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Photonics Research 2024年第1期12卷 85-105页

作者： ANDREA ZAZZI ARKA DIPTA DAS lukas HüSSEN RENATO NEGRA JEREMY WITZENS Institute of Integrated Photonics RWTH Aachen University52074 AachenGermany Chair of High-Frequency Electronics RWTH Aachen University52074 AachenGermany

We propose a new signaling scheme for on-chip optical-electrical-optical artificial neural networks that utilizes orthogonal delay-division multiplexing and pilot-tone-based self-homodyne *** scheme offers a more efficient scaling of the optical power budget with increasing network *** simulations,based on220 nm silicon-on-insulator silicon photonics technology,suggest that the network can support 31×31 neurons,with 961 links and freely programmable weights,using a single 500 m W optical comb and a signal-to-noise ratio of 21.3 d B per ***,it features a low sensitivity to temperature fluctuations,ensuring that it can be operated outside of a laboratory *** demonstrate the network’s effectiveness in nonlinear equalization tasks by training it to equalize a time-interleaved analog-to-digital converter(ADC)architecture,achieving an effective number of bits over 4 over the entire 75 GHz ADC *** anticipate that this network architecture will enable broadband and low latency nonlinear signal processing in practical settings such as ultra-broadband data converters and real-time control systems.

关键词： network delay artificial

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Numerical study of novel OME1-6 combustion mechanism and spray combustion at changed ambient environments

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Frontiers in Energy 2024年第4期18卷 483-505页

作者： Frederik WIESMANN Zeyan QIU Dong HAN lukas STRAUβ Sebastian RIEβ Michael WENSING Thomas LAUER Institute of Powertrains and Automotive Technology TU Wien1060 ViennaAustria Key Laboratory for Power Machinery and Engineering of Ministry of Education Shanghai Jiao Tong UniversityShanghai 200240China Professorship for Fluid Systems Technology Friedrich-AlexanderUniversität Erlangen-Nürnberg91058 ErlangenGermany

For a climate-neutral future mobility,the socalled e-fuels can play an essential ***,oxygenated e-fuels containing oxygen in their chemical formula have the additional potential to burn with significantly lower soot *** particular,polyoxymethylene dimethyl ethers or oxymethylene ethers(PODEs or OMEs)do not contain carbon-carbon bonds,prohibiting the production of soot precursors like acetylene(C2H2).These properties make OMEs a highly interesting candidate for future climate-neutral compression-ignition ***,to fully leverage their potential,the auto-ignition process,flame propagation,and mixing regimes of the combustion need to be *** achieve this,efficient oxidation mechanisms suitable for computational fluid dynamics(CFD)calculations must be developed and *** present work aims to highlight the improvements made by developing an adapted oxidation mechanism for OME1-6 and introducing it into a validated spray combustion CFD model for *** simulations were conducted for single-and multi-injection patterns,changing ambient temperatures,and oxygen *** results were validated against high-pressure and high-temperature constantpressure chamber ****-chemiluminescence measurements accomplished the characterization of the auto-ignition *** experiments and simulations were conducted for two different *** improvements concerning the prediction of the ignition delay time were accomplished while also retaining an excellent agreement for the flame lift-off *** spatial zones of high-temperature reaction activity were also affected by the adaption of the reaction *** showed a greater tendency to form OH*radicals within the center of the spray in accordance with the experiments.

关键词： oxygenated fuels reaction kinetics oxidation mechanisms computational fluid dynamics(CFD) oxymethylene ethers(OME) e-fuels multiinjection spray-combustion

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EVA NEXUS-Phaco performance study

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International Journal of Ophthalmology(English edition) 2024年第8期17卷 1447-1452页

作者： lukas Feldhaus Andreas Ohlmann Stefan Kassumeh Siegfried Priglinger Wolfgang Mayer Department of Ophthalmology University HospitalLudwig-Maximilians-University MunichMunich 80336Germany

AIM:To investigate a novel phacoemulsification system“EVA NEXUS”(D.O.R.C.,Dutch Opthalmic Research Center)in comparison to the existing system“EVA”in clinical *** to compare both phacoemulsification systems in terms of efficiency,safety and postoperative inflammatory ***:In this study standardized cataract surgery was performed on both eyes of the study participant,using the“EVA system”(control group,n=20)on one eye and the“EVA NEXUS system”(intervention group,n=20)on the other *** patients with cataract LOCS Grading 1-3 and no accompanying eye diseases were included in this study.A total of 20 patients were included in this study,with each treatment arm including 20 *** surgery a 0.1 mL aqueous humor sample was collected 1min after phacoemulsification to measure the total prostaglanin E2 concentrations using an enzyme-linked immunosorbent *** endothelial cell count,visual and refractive outcomes,and anterior chamber flare were evaluated preoperatively,and 1d,1wk,and 3mo ***:There were no statistically significant differences between both groups regarding intraoperative safety parameters including effective phacoemulsification time(P=0.904),balanced saline solution flow(P=0.701)and total surgery time(P=0.565).Postoperative prostaglandin E2 levels,anterior chamber flare as well as endothelial cell loss tended to be lower in the NEXUS-Group,however not being statistically significant(P=0.718;0.164;0.486).Both systems provided similar clinical outcomes,regarding best corrected visual acuity and refractive parameters,showing no statistically significant differences between both ***:Both systems show a high level of safety and efficency with similar results in terms of safety parameters including postoperative inflammatory activity and endothelial cell loss as well as visual and refractive *** statistically not significant,the EVA NEXUS system tends to cause less postoperative inflammatio

关键词： cataract surgery phacoemulsification fluidics instrument

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用于单片集成传感系统的多晶硅级联自发光器件研究

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光子学报 2024年第5期53卷 180-188页

作者：唐宇罗谦刘斯扬 SNYMAN lukas W 徐开凯电子科技大学电子薄膜与集成器件全国重点实验室成都611731 东南大学国家ASIC工程中心无锡214000 南非大学电子工程系南非比勒陀利亚0001

针对全硅光电生物传感器的硅基单片集成应用需求,提出了基于多晶硅级联自发光器件的单片集成传感器,对其中作为关键部分的多晶硅光源进行了试制,采用标准0.35μm的CMOS工艺对该光源进行了流片验证,并设计了适配的全硅波导检测结构。结... 详细信息

针对全硅光电生物传感器的硅基单片集成应用需求,提出了基于多晶硅级联自发光器件的单片集成传感器,对其中作为关键部分的多晶硅光源进行了试制,采用标准0.35μm的CMOS工艺对该光源进行了流片验证,并设计了适配的全硅波导检测结构。结果表明,多晶硅光源发光特征峰为635 nm、700 nm和785 nm,该特征峰作为波导入射光源时,设计的全硅波导检测结构能够实现检测目的。

关键词：单片集成硅基光源氮化硅波导生物传感器折射率传感

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Enhancing 3D Reconstruction Accuracy of FIB Tomography Data Using Multi‑voltage Images and Multimodal Machine Learning

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Nanomanufacturing and Metrology 2024年第1期7卷 48-60页

作者： Trushal Sardhara Alexander Shkurmanov Yong Li lukas Riedel Shan Shi Christian J.Cyron Roland C.Aydin Martin Ritter Institute for Continuum and Material Mechanics Hamburg University of TechnologyHamburgGermany Electron Microscopy Unit Hamburg University of TechnologyHamburgGermany Institute of Materials Physics and Technology Hamburg University of TechnologyHamburgGermany Institute of Materials Mechanics Helmholtz-Zentrum HereonGeesthachtGermany Research Group of Integrated Metallic Nanomaterials Systems Hamburg University of TechnologyHamburgGermany Institute of Material Systems Modeling Helmholtz-Zentrum HereonGeesthachtGermany

FIB-SEM tomography is a powerful technique that integrates a focused ion beam(FIB)and a scanning electron microscope(SEM)to capture high-resolution imaging data of *** approach involves collecting in-plane SEM imagesand using FIB to remove material layers for imaging subsequent planes,thereby producing image ***,theseimage stacks in FIB-SEM tomography are subject to the shine-through effect,which makes structures visible from theposterior regions of the current *** artifact introduces an ambiguity between image intensity and structures in thecurrent plane,making conventional segmentation methods such as thresholding or the k-means algorithm *** study,we propose a multimodal machine learning approach that combines intensity information obtained at differentelectron beam accelerating voltages to improve the three-dimensional(3D)reconstruction of *** treatingthe increased shine-through effect at higher accelerating voltages as a form of additional information,the proposed methodsignificantly improves segmentation accuracy and leads to more precise 3D reconstructions for real FIB tomography data.

关键词： Multimodal machine learning Multi-voltage images FIB-SEM Overdeterministic systems 3D reconstruction FIB tomography

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Monogenic deficiency in murine intestinal Cdc42 leads to mucosal inflammation that induces crypt dysplasia

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Genes & Diseases 2024年第1期11卷 413-429页

作者： Dongsheng Zhang Wenjuan Tang Haitao Niu William Tse Hai-Bin Ruan Helmut Dolznig Thomas Knosel Friedrich Karl-Heinz Madeleine Themanns Jiang Wang Mingquan Song Lee Denson lukas Kenner Richard Moriggl Yi Zheng Xiaonan Han Division of Hematology and Oncology Division of Cancer BiologyDepartment of MedicineMetroHealth Medical Center(MHMC)Case Western Reserve University(CWRU)School of MedicineClevelandOH 44109USA Cancer Genomics and Epigenomics Program Case Comprehensive Cancer CenterCase Western Reserve University(CWRU)ClevelandOH 44106USA Division of Gastroenterology Hepatology and NutritionCincinnati Children’s Hospital Medical Center(CCHMC)CincinnatiOH 45229USA Children’s Hospital of Fudan University Shanghai 201102China School of Medicine Jinan UniversityGuangzhouGuangdong 510632China Laboratory Animal Science(ILAS) Chinese Academy of Medical Science(CAMS)and Peking Union Medical College(PUMC)Beijing 100006China Department of Integrative Biology and Physiology University of Minnesota Medical SchoolMinneapolisMI 55455USA Institute of Medical Genetics Medical University of ViennaVienna 1040Austria Institute of Pathology Ludwig-Maximilians-University MunichMunich 80539Germany Institute of Biochemistry II University Hospital JenaJena 07743Germany Laboratory Animal Pathology University of Veterinary Medicine ViennaVienna 1210Austria Department of Pathology University of CincinnatiCincinnatiOH 45221USA Department of Gastroenterology The Affiliated Hospital of Qingdao UniversityQingdaoShandong 266005China Department of Pathology Medical University of ViennaVienna 1040Austria Ludwig Boltzmann Institute for Cancer Research Vienna 1090Austria Medical University of Vienna Vienna 1040Austria Institute of Animal Breeding and Genetics University of Veterinary Medicine ViennaVienna 1210Austria Division of Experimental Hematology CCHMCCincinnatiOH 45229USA

CDC42 controls intestinal epithelial(IEC)stem cell(IESC)*** aberrant CDC42 initiates intestinal inflammation or neoplasia is *** utilized models of inflam-matory bowel diseases(IBD),colorectal cancer,aging,and IESC injury to determine the loss of intestinal Cdc42 upon inflammation and *** specimens were collected to determine the levels of CDC42 in IBD or colorectal ***42 floxed mice were crossed with Villin-Cre,Villin-CreERT2 and/or Lgr5-eGFP-IRES-CreERT2,or Bmi1-CreERT2 mice to generate Cdc42 deficient ***,colitis,aging,and intestinal organoid were used to evaluate CDC42 upon mucosal inflammation,IESC/progenitor regenerative capacity,and IEC *** studies revealed that increased CDC42 in colorectal cancer correlated with lower survival;in contrast,lower levels of CDC42 were found in the inflamed IBD *** Cdc42 depletion significantly reduced Lgr5+IEsCs,increased progenitors'hyperplasia,and induced mucosal inflammation,which led to crypt *** Cdc42 depletion markedly enhanced irra-diation-or chemical-induced *** or inhibition of Cdc42 reduced colonic Lgr5+IESC *** conclusion,depletion of Cdc42 reduces the IESC regeneration and IEC repair,leading to prolonged mucosal *** monogenic loss of Cdc42 in-duces mucosal inflammation,which could result in intestinal neoplasia in the context of aging.

关键词： Cell divisioncycle 42(CDC42) Colitis Colorectal cancer(CRC) Inflammatory bowel diseases(IBD) Intestinal epithelial cell(IEC) Intestinal epithelial stem cell(IESC) Irradiation

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Impact of pre- and peri-operative risk factors on length of stay and hospital readmission following minimally-invasive partial nephrectomy

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Asian Journal of Urology 2024年第1期11卷 72-79页

作者： Vanessa A.lukas Rahul Dutta Ashok K.Hemal Matvey Tsivian Timothy E.Craven Nicholas A.Deebel David D.Thiel Ram Anil Pathak Brigham and Women's Hospital Division of UrologyDepartment of Surgery75 Francis StreetBostonMAUSA Atrium Health Wake Forest Baptist Medical Center Department of Urology1 Medical Center BlvdWinston-SalemNCUSA Mayo Clinic Florida Department of Urology4500 San Pablo RoadJacksonvilleFLUSA

Objective:We conducted an analysis of the American College of Surgeons National Surgical Quality Improvement Program database for minimally-invasive partial nephrectomy cases reported with the goal to identify pre-and peri-operative variables associated with length of stay(LOS)greater than 3 days and readmission within 30 ***:Records from 2008 to 2018 for“laparoscopy,surgical;partial nephrectomy”for prolonged LOS and readmission cohorts were *** analysis with Chi-square,t-tests,and multivariable logistic regression analysis with odds ratios(ORs),p-values,and 95%confidence intervals assessed statistical ***:Totally,20306 records for LOS greater than 3 days and 15854 for readmission within 30 days were *** and multivariable analysis exhibited similar *** LOS greater than 3 days,undergoing non-elective surgery(OR=5.247),transfusion of greater than four units within 72 h prior to surgery(OR=5.072),pre-operative renal failure or dialysis(OR=2.941),and poor pre-operative functional status(OR=2.540)exhibited the strongest statistically significant *** hospital readmission within 30 days,loss in body weight greater than 10%in 6 months prior to surgery(OR=2.227)and bleeding disorders(OR=2.081)exhibited strongest statistically significant ***:Multiple pre-and peri-operative risk factors are independently associated with prolonged LOS and hospital readmission within 30 days of surgery using the American College of Surgeons National Surgical Quality Improvement Program *** the risks factors that can potentially be improved prior to minimally-invasive partial nephrectomy is crucial to informing patient selection,optimization strategies,and patient education.

关键词： Minimally-invasive partial nephrectomy The American College of Surgeons National Surgical Quality Improvement Program Lengthof stay Hospital readmission

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