This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Transplantation, Subject name: Surgery
[{'content': 'A 65-year-old woman undergoes a kidney transplant for CKD. 6 weeks after the transplant, she develops CMV infection characterized by fever, malaise, and myalgias. Which of the following is a potential sequela of CMV infection? \nSelect and explain. \nA. Intra-abdominal abscess, B. Pyelonephritis, C. Cholecystitis, D. GI ulcers & hemorrhage', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Viral infections are the most common infection post transplantation. These include infections by cytomegalovirus (CMV), Epstein-Barr virus (EBV), herpes simplex virus, and varicella zoster virus. CMV infections presents as fever, malaise, myalgia, ahralgia, and leukopenia. Organ involvement leads to pneumonitis; ulceration and hemorrhage in the stomach, duodenum, or colon; hepatitis; esophagitis; retinitis; encephalitis; or pancreatitis. Pyelonephritis, cholecystitis, intra-abdominal abscesses, and parotitis are caused by bacterial infections or GI perforation and not primarily by CMV infection.', 'role': 'assistant'}]