Abstract
A 39-year-old female patient underwent anterior resection with locoregional lymph node dissection for rectosigmoid cancer at another hospital. The procedure involved transection of the superior rectal artery just below the origin of the left colic artery. Postoperative diagnosis was stage III B. The patient received adjuvant chemotherapy with oxaliplatin plus capecitabine for 6 months. Sixteen months after the operation, PET-CT scans revealed regional lymph node metastases around the root of the inferior mesenteric artery. The patient was referred to our hospital with a recurrence of rectosigmoid cancer. We performed laparoscopic lymph node dissection with real-time indocyanine green fluorescent images superimposed on color images to prevent intraoperative vascular insufficiency. We were able to successfully observe the sufficient blood flow in the descending colon. Postoperative pathological findings showed lymph node recurrence after initial surgery. She was discharged 7 days after the operation. In the 8 months since the second operation, the patient has not had any indication of further recurrence.
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