This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra & Penis, Subject name: Surgery
[{'content': 'Which of the following is/are a complication of urethral stricture? \nSelect and explain. \nA. Periurethral abscess, B. Urethral diverticulum, C. Retention of urine, D. All of these', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: d (All of these) Ref: Bailey & Love, ed, p. 1394Complication of urethral strictureCauses of urethral stricture:Periurethral abscessUrethral diverticulumRetention of urineUrethral fistula* Inflammatory* Congenital* Traumatic* Instrumental-Indwelling catheter Urethral endoscopy * Post operative -Open prostatectomy Amputation of penis', 'role': 'assistant'}]