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[A Case of Robotic-Assisted Total Pelvic Exenteration for Locally Advanced Rectal Cancer Invading the Prostate].

The patient was a 60s man, whose chief complaint of melena and weight loss. He visited our hospital, and further evaluation revealed rectal cancer(Rb)invading the prostate with obturator lymph node metastasis. The clinical diagnosis was T4b (prostate)N3M0, Stage Ⅲc. He was administered 4 courses of CAPOX plus bevacizumab. After chemotherapy the primary tumor and lymph nodes showed PR, the diagnosis of ycT4bN1bM0, Stage Ⅲc. We performed robot-assisted total pelvic exenteration. He has been cancer-free for 5 months.