A case of gastric cancer with abdominal para-aortic lymph node metastases responding to TS-1 + CDDP neoadjuvant chemotherapy
Abstract
The patient was a 54-year-old woman with extremely advanced gastric cancer of type 3. A CT scan of the abdomen showed enlargement of many huge abdominal para-aortic lymph nodes. Combined chemotherapy of TS-1 and CDDP was planned in order to reduce the tumor. TS-1 (100 mg/body/day) was administered for 21 days followed by 14 days rest as one course. CDDP (96 mg/body) was administered 8 days after the start of TS-1. After 2 courses of treatment, a CT scan showed complete disappearance of lymph node metastasis, and no high grade toxicities. Therefore, one month after the completion of the chemotherapy, total gastrectomy and D2 lymph node dissection were performed. The histological effect was judged to be grade 1a-1b. There were no viable cancer cells in any lymph nodes. One year after surgery, the patient is still alive without recurrence. Neoadjuvant chemotherapy with TS-1 and CDDP is so effective that can it be adapted for advanced gastric cancer with para-aortic lymph node enlargement for downstaging.
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