Important outcomes for transanal total mesorectal excision in a Canadian population after using transanal minimally invasive surgery (flexible) or transanal endoscopic microsurgery (rigid) platforms - Caycedo-Marulanda, Antonio; Karimuddin, Ahmer; Caswell, Joseph; Raval, Manoj; Conlon, Michael; Phang, Terry; Brown, Carl (Annals of Laparoscopic and Endoscopic Surgery, 2020)