Fig. 2From: Robotic low anterior resection plus transanal natural orifice specimen extraction in a patient with situs inversus totalisa The double-contrast barium enema showed an irregular rectal stenosis, nodulous filling defect and stiffness of involved rectal wall with destruction of mucosa. b The magnetic resonance imaging scan revealed the tumor invaded through the muscularis propria and the serosa was suspiciously involved, while at least 2 enlarged perirectal lymph node was foundBack to article page