This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Surgery
[{'content': 'Prostatic cancer mostly seen in \nSelect and explain. \nA. Posterior, B. Lateral, C. Medial, D. Anterior', 'role': 'user'}, {'content': 'Answer: A \nExplanation: - MC site of CA Prostate - Posterior lobe - MC site of BPH - Median lobe - On DRE - Posterior lobe is felt and medial lobe is felt when enlarged. - MC site of BPH - Transition zone - MC site of CA Prostate - Peripheral zone', 'role': 'assistant'}]