[A Case of Pancreatic Cancer That Developed Peritoneal Recurrence after Radical Surgery following Neoadjuvant Chemoradiation Therapy(NACRT)with Pathological Complete Response(pCR)].

Le résumé fourni par la source

A 71-year-old woman was diagnosed with a tumor in the pancreatic head on CT imaging, which was performed as a close examination of an exacerbation of diabetes mellitus. The pancreatic tumor was diagnosed as resectable pancreatic cancer, and after preoperative adjuvant chemoradiotherapy, pancreatoduodenectomy was performed as a radical surgery. There were no residual tumor cells in the resected specimen histopathologically, and the patient was judged to have a pathological complete response(pCR). Six months of postoperative adjuvant chemotherapy was administered, but peritoneal recurrence was observed at 20 months postoperatively, and the patient is currently undergoing treatment for recurrence. There have been other reports of recurrence even after pCR was achieved with preoperative treatment, so it is important to follow up carefully, keeping in mind that pancreatic cancer is a latent systemic disease.

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