Totally laparoscopic resection with natural orifice specimen extraction (NOSE) has more advantages comparing with laparoscopic-assisted resection for selected patients with sigmoid colon or rectal cancer - Xingmao, Z; Haitao, Z; Jianwei, L; Huirong, H; Junjie, H; Zhixiang, Z (Int J Colorectal Dis, 2014)