Fig. 2From: Reconstruction with omental flap and negative pressure wound therapy after total pelvic exenteration of anal fistula cancer: a case reportPreoperative and intraoperative findings. a, b Schema of the resection area. The abscess extends to the right side, and the perineum was extensively resected on the right side. Orange area, tumor. Blue area, abscess. Red line, resection line. c Preoperative anal findings: fistulas are present at 3 and 9 o'clock. d Preoperative marking of the resection line. e After skin incision. f After removal of a specimenBack to article page