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High incidence combination of multiple primary malignant tumors of the digestive system

World Journal of Gastroenterology 2022年第41期28卷 5982-5992页

作者： Xiao-Bo Yang Long-Hao Zhang Jing-Nan Xue Yun-Chao Wang Xu Yang Nan Zhang Dan Liu Yan-Yu Wang Zi-Yu Xun Yi-Ran Li Hui-Shan Sun Li-Jin Zhao Hai-Tao Zhao Department of Liver Surgery Peking Union Medical College HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100006China Digestive Disease Hospital Affiliated to Zunyi Medical University Department of General SurgeryAffiliated Hospital of Zunyi Medical UniversityZunyi 563099Guizhou ProvinceChina

BACKGROUND Clinical reports of multiple primary malignant tumors(MPMTs)in the digestive system are *** China,although the survival rate of patients with MPMTs is increasing,the quality of life is very *** patients have reached the advanced stage when the second primary tumor is found,resulting in no early intervention and *** is due to the misunderstanding of MPMTs by clinicians,who treat such tumors as ***,before a patient has a second primary tumor,doctors should understand some common combinations of digestive system MPMTs to provide clinical guidance to the *** To explore the high incidence combination of digestive system MPMTs under heterochronism and *** A total of 1902 patients with MPMTs at Peking Union Medical College Hospital were analyzed *** were divided into metachronous MPMT and synchronous MPMT groups,and then the high incidence combinations of the first primary cancer and the second primary cancer in metachronous cancer and synchronous cancer were *** and age differences between metachronous and synchronous tumors were tested by the chi square test and t test,respectively.A P valueprimary cancers,89(4.7%)cases were tertiary primary cancers,and 2(0.1%)cases were quaternary primary ***(88.2%)of the secondary primary cancers were identified as metachronous multiple primary cancers six months after diagnosis of the first primary *** top ten most common MPMTs in the first primary cancer group ranged from high to low as follows:Breast cancer,thyroid cancer,nonuterine cancer,lung cancer,colon cancer,kidney cancer,uterine cancer,bladder cancer,rectal cancer,and gastric *** highest incidence rate of the

关键词： Multiple primary malignant tumors Colon cancer Rectal cancer Metachronous carcinoma High incidence combinations first primary carcinoma

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