symptoms of external hemorrhoids. the hemorrhoidal node in the rectum, anus. infographics.

abscess ache anal anatomy anus bleeding body bowel canal cancer colon constipation diagnosis diagram digestion digestive discomfort disease external fissure fistula health hemorrhoid hemorrhoidal hemorrhoidectomy human icon inflammation internal intestine issues itch itching medical medicine pain people piles problem proctologist rectal rectum sphincter swollen symptom thrombosis treatment vascular vector venous