Fig. 1From: Laparoscopic total pelvic exenteration using transanal minimal invasive surgery technique with en bloc bilateral lymph node dissection for advanced rectal cancerCT and MRI show the tumor invading the left seminal grand and prostate (white arrowheads). After CRT, the degree of invasion to adjacent organs was unchanging. a–c Pre-CRT CT, MRI image. d–f Post-CRT CT, MRI imageBack to article page