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Gastric cancer with metastases to the distant peritoneum: a 20-year surgical experience
1Department of Surgery, School of Medicine, Kitasato University, Kanagawa, Japan.
Background/Aims:
The efficacy of palliative gastrectomy in gastric cancer with peritoneal metastases remains uncertain. The aim of the present study was to evaluate the benefits of gastrectomy on the postoperative course of patients with gastric cancer and simultaneous metastases to the distant peritoneum.
Methodology:
A total of 122 patients who had gastric cancer and metastases to the distant peritoneum were studied with respect to survival.
Results:
The extent of peritoneal metastases did not significantly affect the prognosis. Moreover, multivariate analysis indicated that surgery without gastrectomy was the only significant prognostic factor (relative risk, 2.587).
Conclusions:
Our results suggest that the decision to perform gastrectomy does not depend on the extent of peritoneal metastasis in gastric cancer. Furthermore, palliative gastrectomy, if feasible, seems to have a beneficial effect on the postoperative course and is indicated for patients regardless of metastasis to the peritoneum, if the primary tumor is surgically resectable and there is no evidence of liver metastasis.