Significant circumferential thickening and enhancement of the distal 15-20 cm of small bowel as well as ileocecal junction, causing narrowing of its lumen (string sign) as well as prominent surrounding mesenteric vessels (comb sign) with mild dilatation of the bowel proximal to this segment.
Clear surrounding fat planes with no pneumoperitoneum, excluding perforation or fistulous communication. No ascites detected.