[A Case of Recurrence in the Posterior Wall of the Virginal after Radical Resection for Rectal Cancer Well Responded in a Long Period by Chemo-Radiotherapy].

We report a case of an advanced rectal cancer recurrence that responded completely to chemo-radiotherapy. The patient was an 80-year-old woman. Low anterior resection with D2(prxD3)lymph node dissection was performed. Sixteen months after operation, CEA level elevated but no recurrence foci were found in any image tests. Administration of TS-1 was initiated since recurrence was highly suspected. Twenty seven months after operation, PET-CT detected local recurrence in the posterior wall of the vagina. After construction colostomy, chemo-radiotherapy(60 Gy+oral UFT)was performed and CEA level dropped promptly to the normal value. No relapse was pointed out in CT scans or MRI tests. There were not any signs of recurrence through 112 months after chemo-radiotherapy.