This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
A 75-year-old frail elderly man underwent TURP. The biopsy revealed adenocarcinoma. What is the next line of management - 
Select and explain. 
A. Radiotherapy, B. Surgery followed by Hormonal replacement therapy, C. Conservative treatment, D. Surgery followed by radiotherapy
C: Conservative treatment
Answer: C: Conservative treatment 
Explanation: None