This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors of thorax, Subject name: Radiology
[{'content': 'Necrotic nodules in lung are seen in - \nSelect and explain. \nA. TB, B. Sarcoidosis, C. RA, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All of the above o All dieseases given in options can cause pulmonary nodules with necrosis.o Pulmonary nodules with necrosis can be caused by1. Infective causes - TB, Histoplasma, syphilis, coceidiomycosis, Cat's scratch disease.2. Non-infective causes - Wegner's granulomatosis, RA, necrotizing sarcoidosis, hyalinizing granuloma, Idiopathic bronchocentric granulomatosis.", 'role': 'assistant'}]