A 70 year old male, Kamal, presents with lower GI bleed for the last 6 months.

A 70 year old male, Kamal, presents with lower GI bleed for the last 6 months. On sigmoidoscopic examination, there is a hard non-obstructing mass of 4 cms about 3 cms above the anal verge. The treatment of choice is


a) anterior resection 
b) abdominoperineal resection  
c) defunctioning anastomosis               
d) colostomy


Ans (b)