This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: mycology, Subject name: Microbiology
[{'content': 'All are true about Madura mycetoma except \nSelect and explain. \nA. Fungal infection, B. Presented as painful nodular lesion for many months, C. Discharging sinuses, D. Bone involvement seen', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Clinical features of mycetoma include - painless multiple nodular swellings which may be suppurative and drain through sinuses, feet and lower legs are commonly affected. Bone involvement may lead to osteomyelitis and deformities. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition', 'role': 'assistant'}]