Feng Yu1, Luqiao Huang1, Feng Shen1, Shuang Wu1, Jian Chen2. 1. Department of Colorectal Surgery, Tongde Hospital of Zhejiang Province, Hangzhou, China. 2. Department of Gastrointestinal Surgery, Tongde Hospital of Zhejiang Province, Hangzhou, China.
Abstract
BACKGROUND: There is still a debate about the survival benefit of chemotherapy in stage III mucinous colon cancer, we then conduct a comprehensive assessment of the efficacy of adjuvant chemotherapy in this population. METHODS: The data used in the current study were extracted from the Surveillance, Epidemiology and End Results (SEER) database. Chi-squared (χ2) test was used to compared patient characteristics according to the histology. The outcome of the survival analysis used in the current study was cancer-specific survival (CSS). Univariable and multivariable analyses were carried out using the Cox proportional hazards regression models to evaluate the prognostic characteristics associated with CSS of colon cancer. And the risks of mortality were presented as hazard ratios (HRs) with 95% confidence intervals (CIs). RESULTS: A total of 68,976 patients diagnosed with stage III colon cancer were included in our analyses, including mucinous adenocarcinoma (MAC, N=6,592) and non-mucinous adenocarcinoma (NMA, N=62,384). In NMA, the receipt of chemotherapy had 46.0% independently decreased risk of colon cancer-specific mortality compared to non-chemotherapy group (HR =0.540, 95% CI: 0.523-0.558, P<0.001). In MAC, the receipt of chemotherapy had 37.7% independently decreased risk of colon cancer-specific mortality compared to non-chemotherapy group (HR =0.623, 95% CI: 0.566-0.685, P<0.001). CONCLUSIONS: MAC was associated with worse prognosis and was less responsive to chemotherapy compared with NMA in stage III colon cancer. However, stage III mucinous colon cancer still need to be treated with chemotherapy because of the significant survival benefit and specialized treatment plans for MAC were quite necessary in the future. 2020 Journal of Gastrointestinal Oncology. All rights reserved.
BACKGROUND: There is still a debate about the survival benefit of chemotherapy in stage III mucinous colon cancer, we then conduct a comprehensive assessment of the efficacy of adjuvant chemotherapy in this population. METHODS: The data used in the current study were extracted from the Surveillance, Epidemiology and End Results (SEER) database. Chi-squared (χ2) test was used to compared patient characteristics according to the histology. The outcome of the survival analysis used in the current study was cancer-specific survival (CSS). Univariable and multivariable analyses were carried out using the Cox proportional hazards regression models to evaluate the prognostic characteristics associated with CSS of colon cancer. And the risks of mortality were presented as hazard ratios (HRs) with 95% confidence intervals (CIs). RESULTS: A total of 68,976 patients diagnosed with stage III colon cancer were included in our analyses, including mucinous adenocarcinoma (MAC, N=6,592) and non-mucinous adenocarcinoma (NMA, N=62,384). In NMA, the receipt of chemotherapy had 46.0% independently decreased risk of colon cancer-specific mortality compared to non-chemotherapy group (HR =0.540, 95% CI: 0.523-0.558, P<0.001). In MAC, the receipt of chemotherapy had 37.7% independently decreased risk of colon cancer-specific mortality compared to non-chemotherapy group (HR =0.623, 95% CI: 0.566-0.685, P<0.001). CONCLUSIONS: MAC was associated with worse prognosis and was less responsive to chemotherapy compared with NMA in stage III colon cancer. However, stage III mucinous colon cancer still need to be treated with chemotherapy because of the significant survival benefit and specialized treatment plans for MAC were quite necessary in the future. 2020 Journal of Gastrointestinal Oncology. All rights reserved.
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Authors: Chris Twelves; Alfred Wong; Marek P Nowacki; Markus Abt; Howard Burris; Alfredo Carrato; Jim Cassidy; Andrés Cervantes; Jan Fagerberg; Vassilis Georgoulias; Fares Husseini; Duncan Jodrell; Piotr Koralewski; Hendrik Kröning; Jean Maroun; Norbert Marschner; Joseph McKendrick; Marek Pawlicki; Riccardo Rosso; Johannes Schüller; Jean-François Seitz; Borut Stabuc; Jerzy Tujakowski; Guy Van Hazel; Jerzy Zaluski; Werner Scheithauer Journal: N Engl J Med Date: 2005-06-30 Impact factor: 91.245
Authors: Niek Hugen; Michiel Simons; Altuna Halilović; Rachel S van der Post; Anna J Bogers; Monica Aj Marijnissen-van Zanten; Johannes Hw de Wilt; Iris D Nagtegaal Journal: J Pathol Clin Res Date: 2014-11-05