A huge lump protudes out while passing stool .The swelling is on the right wall of the anal canal covering the entire anus.The swelling reduces and goes back to the anal canal after defecation after some time or after standing .There is no blood in stool ,there is itching and mucus sometimes .The swelling was small 2 years back but it's increased its size and became stagnant.The swelling is covering 6'o clock to 12'o clock postion entirely and pressing the left anal wall.