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Surgical procedure for sigmoidectomy with complete mesocolic excision for left-sided colon cancer. (A) Exposure and ligation of the origin of the IMA in complete mesocolic excision with central vascular ligation for left-sided colon cancer. (B) The fat surrounding the colon ≥5 cm distal to the lesion was removed and transected intracorporeally. IMA, inferior mesenteric artery.
