Fig. 2

Pre and post contrast pelvic MRI: 52-year-old female post neoadjuvant rectal adenocarcinoma: Axial T2 weighted image (A), Axial diffusion weighted image (B) and coronal post contrast T1 weighted image with fat suppression (C): Focal irregular mural thickening of the lower third rectum from 6 to 12 o’clock (arrows) with intact external muscle layer, no extramural spread or MRF involvement, no downward extension into the anal sphincters. Tiny mesorectal rounded LN (arrowhead) better detected on DW image, no extra-mesorectal LNs. MRI based staging T2, N1