[A Case of Port Site Recurrence Following Laparoscopic Right Hemicolectomy for Transverse Colon Cancer].

We report a case of resectable port site recurrence after laparoscopic surgery for transverse colon cancer. A 70-year-old woman was diagnosed as transverse colon cancer and performed laparoscopic right hemicolectomy with D3 lymphadenectomy. Histopathological findings revealed that the tumor was resected curatively and the staging was T4a, N1a, M0. As adjuvant chemotherapy, 2 courses of capecitabine and 3 courses of UFT/LV were administered. Fifteen months after surgery, elevated CA19-9 level was noted, and CT scan showed a mass corresponding to the left lower abdominal port site. Based on these findings, surgical resection of the abdominal wall tumor was performed, and complete resection was achieved. Based on histopathological findings, the lesion was diagnosed as a port site recurrence originating from the primary transverse colon cancer.