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: Surgery
[{'content': 'Most common symptom of bronchial adenoma is - \nSelect and explain. \nA. Chest pain, B. Cough, C. Recurrent hemoptsis, D. Weight loss', 'role': 'user'}, {'content': 'Answer: C \nExplanation: • Centrally located slow-growing endobronchial lesions that are generally carcinoid tumors (80%), adenocystic tumors (so called cylindromas, 10–15%), or mucoepidermoid tumors (2–3%).\n• Mean age at presentation is 45 years (range 15–60).\nClinical Features\n• MC symptom: Recurrent Hemoptysis\n• History of chronic cough, intermittent hemoptysis, or repeated episodes of airway obstruction with atelectasis, or pneumonias with abscess formation due to endobronchial lesions obstructing the airway.\nDiagnosis\n• Usually visible at bronchoscopy but are highly vascular and may bleed profusely after a bronchoscopic biopsy.\nTreatment\n• They are largely curable by surgical resection (local excision), but they may recur locally or become invasive and metastasize.\n• Five-year survival after resection is 95% for localized disease.', 'role': 'assistant'}]