No surgical intervention for gall bladder polyp of size 4 mm.

No active intervention required for a polyp of size less then 10 mm And yes single polyp of size more than 1 cm is an indication to get the gallbladder removed

A single gallbladder polyp is generally considered more concerning than multiple small polyps, especially if it is sessile (broad-based) rather than pedunculated (stalked). However, in your case, the size of 4 mm is reassuring, as gallbladder polyps smaller than 6 mm have a very low risk of malignancy. Important points here: 1. Size Matters: Polyps >10 mm have a higher risk of malignancy. Those

A 4mm single gallbladder polyp generally has an extremely low risk of being cancerous. The risk of malignancy for polyps under 5mm is essentially 0%. Number: While single polyps can sometimes be more concerning than multiple ones, this mainly applies to larger polyps.