This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rectum, Subject name: Surgery
[{'content': 'The following statement about pilonidal sinus is true: \nSelect and explain. \nA. More common in females, B. Mostly congenital, C. Prognosis after surgery is poor, D. Treatment of choice is surgical excision of sinus tract', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. (d) Treatment of choice is surgical excision of sinus tract* MC in males* Acquired due to entry of hair follicles into skin.* Prognosis is good after surgery* Recurrence is common but there are surgeries for recurrent Jeeper's bottom like - Limberg's flap and Bascom technique", 'role': 'assistant'}]