Abstract
Purpose
The prognosis of gallbladder cancer is poor. Lymph node metastasis and the stage are known to be the strongest prognostic factors for survival. The aim of this study was to determine the importance of complementary surgery and other prognostic factors for survival of operated gallbladder cancer.
Material and Method
We retrospectively analyzed 62 localized gallbladder cancers. The prognostic factors for survival were evaluated by univariate and multivariate analysis.
Results
The 3-year overall survival (OS) and disease-free survival (DFS) rates were 52.8 and 43.5%, respectively. Totally, 37 patients (59.6%) were diagnosed incidentally during simple cholecystectomy which was performed for benign causes but only 56.4% of them underwent complementary surgery. 51.6% of the recurrence was detected during 18.4 months of follow-up time. R0 resection, T stage, and pathological stage were found to be related with both OS and DFS by univariate analysis. Grade, lymph node metastasis, and adjuvant chemotherapy were also related with DFS. Presence of recurrence, recurrence side, performance score (PS), and perineural invasion (PNI) were related with OS. Peritoneal metastasis, advanced stage disease, and lymph node metastasis were more common among patients who did not undergo complementary surgery. Adjuvant chemotherapy was given more frequently to patients who undergone complementary surgery group. The multivariate analysis indicated that grade, lymph node metastasis, stage, recurrence site, PS, and adjuvant chemotherapy stage were independent prognostic factors for DFS on the other and only stage was a prognostic factor for OS.
Conclusion
Our results showed that incidental diagnosis or complementary surgery was not related with DFS or OS but stage was only an independent prognostic factor for both OS and DFS in resected gallbladder cancer.
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