<s>[INST] Hi, may I answer your health queries right now ?  Please type your query here...Hi........I have a small lump just at the mouth of my bum canal...sometimes it pains while i pass stool....but its there for almost 25 years now....cud it b piles. has never ever bled though [/INST] Hi,From history it seems that there might be having sentinel pile or skin tag.It indicates that there might be having internal piles.Consult surgeon and get examined.Avoid constipation.Ok and take care. </s>