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[A Case of Recurrent Gastric Cancer with Left Cervical Lymph Node and Para-Aortic Lymph Node Successfully Treated with TS-1 Chemotherapy].

We report a case of recurrent gastric cancer with left cervical and para-aortic lymph node close to the hilum of the right kidney that was successfully treated with TS-1 monotherapy and surgical resection. The patient was a 55-year-old woman. She underwent total gastrectomy with D2 lymphadenectomy for gastric cancer in June 2002. Histopathological examination revealed type 4, por1, pT3 (SE), pN1 (#4d: 1/5), H0, P0, M0, CY0, pStageⅢA. She refused to receive adjuvant chemotherapy. At 1 year 7 months after gastrectomy, she noticed cervical lymph node swelling. Computed tomography (CT) revealed a 2.5 cm diameter lymph node. Histopathological examination of an aspiration needle biopsy specimen from the left cervical lymph node confirmed that the tumors had metastasized from gastric cancer. Treatment with TS-1 (120 mg/day) was initiated in January 2004 and continued for 2 years 5 months. A complete response was achieved 5 months after treatment initiation and continued until the present. Abdominal CT revealed a para-aortic lymph node that tended to increase in size. Positron emission tomography revealed accumulation with a standardized uptake value in the lymph node. Because it was a solitary tumor, we performed tumor resection in October 2009, histopathologically confirming the lymph node metastasis. Subsequently, the patient was again treated with TS-1 monotherapy again until the present. She is currently alive 5 years 9 months after the surgery, without any signs of disease recurrence.