This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Female & male reproductive system, rectum and anal canal, Subject name: Anatomy
Most common site of prostatic carcinoma: 
Select and explain. 
A. Anterior lobe, B. Median lobe, C. Posterior lobe, D. Central zone
C: Posterior lobe
Answer: C: Posterior lobe 
Explanation: Posterior lobe roughly corresponds to peripheral zone, which is the sub-capsular poion of the posterior aspect of the prostate gland that surrounds the distal urethra. 70-80% of prostatic cancers originate in this region. Median lobe- Benign Prostate Hyperophy Posterior lobe- Ca Prostate