This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
[{'content': 'The nodular pattern often seen in the lungs following renal transplantation is thought to be due to – \nSelect and explain. \nA. Fungus, B. Inafarcts, C. Cytomegalovirus, D. Autoimmune reaction', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Interstitial pneumonia can cause reticulonodular pattern. CMV is the most common cause of interstitial pneumonia in a patient with a renal transplant.', 'role': 'assistant'}]