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
Treatment of choice in duct papilloma of breast is - 
Select and explain. 
A. Simple mastectomy, B. Microdochectomy, C. Local wide excision, D. Chemotheapy
B: Microdochectomy
Answer: B: Microdochectomy 
Explanation: • Intraductal pailloma are true polyps of epithelium lined breast ducts.
• Benign lesions (not pre-cancerous)
• Mostly solitary, located under the areola (within 4-5 cm of nipple orifice)
• Generally <1 cm, can grow upto 4–5 cm
Clinical Features
• MC presentation: Bloody nipple discharge
• Intraductal papilloma is MC cause of bloody nipple discharge
Diagnosis
• Ductography: Small filling defects surrounded by contrast media
Treatment
• Microdochectomy: Complete excision of the involved duct along with tumor