American journal of surgery · 2020
Postsurgical radiotherapy in stage IIIB gallbladder cancer patients with one to three lymph nodes metastases: A propensity score matching analysis.
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Cai Yu-Long, Lin Yi-Xin, Xiong Xian-Ze, Ye Hui, Li Fu-Yu, Cheng Nan-Sheng
Аннотация
BACKGROUND: The effect of postsurgical radiotherapy (PSRT) among T1-3 gallbladder cancer (GBC) patients with one to three lymph node metastases remains controversial. The aim of this study was to assess the impact of PSRT on gallbladder cancer-specific survival (GBCSS) in patients with stage IIIB.
METHODS: The data of GBC patients were obtained from the American Surveillance, Epidemiology, and End Results (SEER) Data resources between 2004 and 2015. Then, a 1:1 propensity score matching (PSM) method was performed. GBCSS was compared among all patients. Subgroup analysis was conducted to identify patients who would benefit from PSRT.
RESULTS: 726 AJCC (8th edition) stage IIIB GBC patients were included. PSRT failed to improve GBCSS (p = 0.168). Male sex, tumor size ≥ 4 cm and absence of chemotherapy were independent negative prognostic factors. No significant survival benefit from PSRT was found in any subgroup.
CONCLUSIONS: PSRT provides no survival benefit for IIIB GBC.
METHODS: The data of GBC patients were obtained from the American Surveillance, Epidemiology, and End Results (SEER) Data resources between 2004 and 2015. Then, a 1:1 propensity score matching (PSM) method was performed. GBCSS was compared among all patients. Subgroup analysis was conducted to identify patients who would benefit from PSRT.
RESULTS: 726 AJCC (8th edition) stage IIIB GBC patients were included. PSRT failed to improve GBCSS (p = 0.168). Male sex, tumor size ≥ 4 cm and absence of chemotherapy were independent negative prognostic factors. No significant survival benefit from PSRT was found in any subgroup.
CONCLUSIONS: PSRT provides no survival benefit for IIIB GBC.