| pubmed-article:20485010 | pubmed:abstractText | In single-access laparoscopic colectomy, the number of forceps inserted through the umbilical incision is limited. To compensate for the single-access site, triangulation must be lost or instrument collision must be sustained. Extracorporeal magnetic retraction can overcome this problem. This report describes the use of this new procedure for colon cancer resection. | lld:pubmed |
