Fig. 4

a–h MRI study for 40 years old Female with pathologically proven cancer rectum and received radiotherapy. a, b coronal and Sagittal T2 WIs, c–e axial T2 & f–h DWIs, revealed irregular polypoidal mural thickening is seen involving the lower 2/3 of the rectum, involving the anorectal junction; with surrounding fat smudging; however no evidence of MRF infiltration with clear intervening fat plans. The lesion displays mixed T2 signal with the intermediate signal representing the tumoral residual while the hypointense signal denoting fibrotic changes. Multiple enlarged mesorectal and internal iliac lymph nodes are seen measuring up to 1.2 cm, displaying intermediate T2 and mild hyperintense signal on DWIs