This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology and Rheumatology, Subject name: Medicine
[{'content': 'Following angiography findings are most likely seen in which condition: \nSelect and explain. \nA. Kawasaki, B. PAN, C. Takayasu, D. Giant cell arteritis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. PANImage shows angiographic vascular pathologya. Most probably it is seen in PAN (Polyarteritis nodosa)b. It is medium vessel vasculitis of renal & visceral vessels sparing the pulmonary circulationc. In PAN, small aneurysms are strung like the beads of arosary known as Rosary sign.', 'role': 'assistant'}]