Structure and function of human skin

Over two-thirds patients of this kind are asymptomatic, in the rest one-third, complaints include itching of anus, stimulation or burning of rectum, purulent and muculant discharge, fullness of rectum, blood in stool or constipation. By rectoscopy, erythema and pus can be found on the mucosa of anus or rectum in some patients but not all. ................
................