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: Pathology
[{'content': "Non caseating granulomas are seen in all of the following except - \nSelect and explain. \nA. Byssinosis, B. Hodgkin's Lymphoma, C. Metastatic Ca lung, D. Tuberculosis", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Metastatic Ca Lung", 'role': 'assistant'}]