Figure 2From: A novel single-port laparoscopic operation for colorectal cancer with transanal specimen extraction: a comparative studyPlacement of single-ports in the umbilicus. A Placement of homemade glove port composed of a wound retractor (ALEX wound retractor; XS, USA), a surgical glove, and two pipes (threaded cannulas and seals 5 mm; Applied Medical, USA). B Placement of a commercially ready-made single port (OCTO port; Dalim, Korea).Back to article page