Reason: Rectal cancer on observation therapy evaluate for tumor recurrence. Please comment on t2 signal intensity and fibrosis History: rectal cancer PELVIS:UTERUS, ADNEXA: Left adnexal cystic lesion with a thin septation is stable measuring 5.3 x 4.2 cm (701/58), previously 5.6 x 4.3 cm. Partially septated uterus.BLADDER: No significant abnormality noted.LYMPH NODES: Tiny mesorectal lymph nodes seen previously are no longer evident.BOWEL, MESENTERY: Asymmetric low rectal wall thickening appears similar to the prior exam. Thickening at the 1:00 position in the lower rectum as referenced on the prior exam is unchanged measuring 8 mm (1401/13). Rectal wall thickening at the 10:00 position with diffusion restriction and mildly increased T2 signal is unchanged measuring 1.6 cm (1001/27). Low T2 signal within the rectal wall posteriorly may represent fibrosis and is unchanged. No extramural extension or stricturing is evident.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
1.Post treatment changes with asymmetric rectal wall thickening appears similar to the prior exam.2.Left adnexal cystic lesion is unchanged.