Gastroenterology image challenge: A 35-year-old man with known ulcerative colitis presented with severe proctitis. The patient’s history included orthotopic triple liver transplantation with colectomy and creation of a terminal ileostomy owing to primary sclerosing cholangitis, portal hypertensive gastropathy, thrombocytopenia and poor coagulation with substitution, hepatic encephalopathy, hepatorenal failure, and Jak2 inhibitor treatment.
What is the most imminent threat depicted on the computed tomography (CT) image (figure)?
To find out the diagnosis, read the full case in Gastroenterology.