Female 67 years old Reason: history of T4b rectal cancer with rectovaginal fistula. Now s/p chemoradiation. History: rectal cancer PELVIS:UTERUS, ADNEXA: No significant abnormality noted.BLADDER: No significant abnormality noted.LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: Near imperceptible residual linear focus of T2 hyperintense signal and diffusion signal abnormality extending from the 12:00 position of the anus and extending anteriorly towards the posterior wall of the vagina (series 4, image 60). This is significantly decreased compared to prior study. Again seen is asymmetry of the external sphincter along its left posterior inferior margin and asymmetric thickening of the left anal wall anteriorly measuring up to 9 mm (series 4, image 60). BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
1.Significant interval decrease in size of previously described anovaginal fistula extending from the 12:00 position of the anal canal.2.Unchanged thickening and asymmetry of the left-sided anal wall and external sphincter.