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: Medicine
[{'content': 'The endoscopic finding which suggests crohns in a patient with chronic diarrhea among the following is: \nSelect and explain. \nA. Transverse ulcer, B. Nodularity, C. Hyperophic lesions, D. Anorectal lesions', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Endoscopic difference between tuberculosis and crohns: The ileo-cecal region is the most common site affected in either condition Findings ouring TB: 1. Transversely placed ulcers 2. Nodularity 3. Hyperophic lesions 4. Involvement of fewer than four segments 5. Patulous ileocecal valve, 6. Pseudopolyps Findings ouring crohns: 1. Aphthoid or longitudinal, deep, fissuring ulcers 2. Cobblestone appearance are said to be more typical of CD 3. Ano-rectal lesions 4. Skip lesions in the colon Ref: World J Gastroenterol. 2011 January 28; 17(4): 433-443.', 'role': 'assistant'}]