This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra and penis, Subject name: Surgery
[{'content': 'Cabana procedure is done in: \nSelect and explain. \nA. CA testis, B. RPLND, C. Sentinel LN biopsy in penile carcinoma, D. ca penis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 1st SLM Biopsy was performed by CABANA & Procedure was known as CABANA Procedure Diagnosis- IOC - Biopsy- IOC for staging -MRI Treatment- Circumcision for CA Penis involving prepuce- C.A involving distal pa* Paial penectomy with is 2cm margin- CA Penis involving proximal Pa * Total penectomy + perineal urethrostomy', 'role': 'assistant'}]