[A Case of Recurrent Gastric Cancer Successfully Treated by S-1 Chemotherapy].

We report a case of recurrent gastric cancer that was successfully treated by S-1 chemotherapy.An 81-year-old woman with advanced gastric cancer[L Less, Type 2, cT4a(SE), cN0H0P0M0, cStageⅡB]underwent distal gastrectomy.Abdominal CT performed 6 months after surgery revealed a low-density area in the liver.She was diagnosed with liver metastasis and started receiving S-1 chemotherapy.The liver metastasis achieved complete response, so S-1 chemotherapy was discontinued 12 months after recurrence.Abdominal CT performed 9 months after the discontinuation of S-1 chemotherapy revealed multiple low-density areas in the liver.She started receiving S-1 chemotherapy again, but S-1 chemotherapy was discontinued because of side effects after 2 courses.The patient died 24 months after receiving S-1 chemotherapy.