RADIOLOGY: GASTROINTESTINAL: GI: Case# 32902: PERFORATED COLONIC ADENOCARCINOMA, MESSENTERIC ABSCESSES. Fever and abdominal pain. There is an 8-9 cm structure in the transverse colon. No other focal intestinal lesion is seen. Lying posteroinferior to this stricture is an abscess which measures approximately 7 x 4 cm. This lies within the transverse mesocolon. Proximal to the stricture the terminal ileum, cecum and right colon are dilated.