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Prognostic prediction in gastric cancer patients without serosal invasion: comparative study between UICC 7^(th) edition and JCGS 13^(th) edition N-classification systems

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Chinese Journal of Cancer Research 2014年第5期26卷 596-601页

作者： Xiang Hu Liang Cao Yi Yu Department of General Surgery The First Affiliated HospitalDalian Medical University

Objective： T-stage and N-stage have been proven to be the most important factors influencing survival in gastric cancer patients, and have been accepted for use in the Japanese Classification of Gastric Carcinoma（JCGC） and the Union International Cancer Control（UICC-TNM） staging systems. The purpose of this study was to compare the prognostic values of the different N classification systems in gastric cancer patients without serosal ***： We retrospectively compared the clinicopathological results of 1,115 patients with primary gastric cancer who underwent curative gastric resection.Results： serosal invasion was identified in 212 of 1,115 patients（19.0%）, and it was associated with lymph node metastasis according to the JCGC^13th（P〈0.001） and TNM^7th（P〈0.001） systems. The 5-year survival rate for the serosal invasion-negative patients（78.2%） was significantly higher than that for the serosal invasion-positive patients（31.1%）（P〈0.001）. Multivariate Cox regression survival analysis showed that depth of invasion（P=0.013）, 13 th JCGC PN stage（P〈0.001）, and 7th TNM PN stage（P〈0.001） were independent prognostic factors for serosal invasion-negative gastric cancer patients.Conclusions： The prognosis of gastric cancer patients with serosal invasion is very poor. Both the 13 th JCGC and 7th TNM N-staging systems were able to accurately estimate the prognosis of gastric cancer patients, but the 7th TNM system was simpler and easier to use.

关键词： Gastric cancer serosal invasion depth of invasion lymph node metastasis

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Prognostic factors in patients with node-negative gastric carcinoma:A comparison with node-positive gastric carcinoma

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World Journal of Gastroenterology 2006年第8期12卷 1182-1186页

作者： Dong Yi Kim Kyeung Won Seo Jae Kyoon Joo Young Kyu Park Seong Yeob Ryu Hyeong Rok Kim Young Jin Kim Shin Kon Kim Division of Gastroenterologic Surgery Department of SurgeryChonnam National University Medical SchoolGwangjuKorea

AIM： To identify the clinicopathological characteristics of lymph node-negative gastric carcinoma, and also to evaluate outcome indicators in the lymph node-negative patients.METHODS： Of 2848 gastric carcinoma patients, 1524 （53.5%） were lymph nede-negative. A statistical analysis was performed using the Cox model to estimate outcome indicators. RESULTS： There was a significant difference in the recurrence rate between lymph nede-negative and lymph node-positive patients （14.4% vs 41.0%, P〈0.001）. The 5-year survival rate was significantly lower in lymph node-positive than in lymph node-negative patients （31.1% vs 77.4%, P〈0.001）. Univariate analysis revealed that the following factors influenced the 5-year survival rate： patient age, tumor size, depth of invasion, tumor location, operative type, and tumor stage at initial diagnosis. The Cox proportional hazard regression model revealed that tumor size, serosal invasion, and curability were independent, statistically significant, prognostic indicators of lymph node-negative gastric carcinoma. CONCLUSION： Lymph node-negative patients have a favorable outcome attributable to high curability, but the patients with relatively large tumors and serosal invasion have a poor prognosis. Curability is one of the most reliable predictors of long-term survival for lymph nodenegative gastric carcinoma patients.

关键词： Gastric carcinoma Survival Tumor size serosal invasion Curability

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