Laparoscopic oncologic sigmoidectomy for Tis (tumor in situ) with transanal specimen extraction
Epublication WebSurg.com, Jul 2011;11(07). URL: http://websurg.com/doi/vd01en3370
This is the case of a patient presenting with a big polyp located 20cm away from the anal margin. It is a degenerated polyp, and a submucosal and lymphatic invasion can be noted. An oncologic resection of the sigmoid colon has been decided upon after the polyp was removed and localized by a clip.