A pile is often feared as the tumour of the anus. Actually, a pile is not tumourous and not dangerous. It is a simple enlarged / engorged blood vessel(s) of the anus. It is also called hemorrhoids in medical terminology. It is the dilatation (varicosity) of the haemorrhoidal plexus (veins of anus). It appears as bluish or purple colored swellings due to stagnated blood. Piles may cause symptoms...
