Fig. 1From: Sphincter-preserving surgery for recurrent pelvic malignancy using a hybrid procedure of open laparotomy and transanal endoscopic approacha Magnetic resonance imaging (MRI) T2-weighted images. Orange arrows indicate the recurrent tumor in the vaginal stump. b Schema of the MRI. Arrow 1, dissection along the anterior sacrum; dotted red arrow 2, dissection by transanal minimally invasive surgery (TEA); light blue arrow 3, subsequent dissection to create a communication between the abdominal dissection and the dissection created by TEA; dark blue arrow 4, vaginal transection in the final phase of surgery. T tumor, S sacrum, B bladder, Pb pubis, V vagina, R rectum, Ex external sphincter muscle, Lm levator muscle, Anst anastomosis from the prior surgeryBack to article page