Hemorrhoids (HEM-uh-roids), also called piles, are swollen and inflamed veins in your anus and lower rectum. Hemorrhoids may result from straining during bowel movements or from the increased pressure on these veins during pregnancy. Hemorrhoids may be located inside the anus (internal hemorrhoids), or they may develop under the skin around the anus (external hemorrhoids).
No mass protruding from the anus(Only bleeding).
Piles mass protrudes out from the anus but returns spontaneously after passing stood.
Piles mass protrudes out from the anus but some force (with finger) require to push back.
Piles mass remains protruded out of anus permanently.