Fig. 1

CT scan, axial (a) and coronal (b) views, at POD7. The minor leak with a small air-pocket was denoted by the dashed arrow, and there was some fat-stranding nearby but no obvious fluid accumulation. The solid arrow indicated the tip of the CWV drain placed intraoperatively. Abbreviation: POD, postoperative day; CT, computed tomography; CWV, closed wound vacuum