Hemorrhoids [Disease/Finding] Hemorrhoids M0010177 Hemorrhoids D006484 70153002 C3164 1023434 C0019112 Swollen veins in the lower part of the RECTUM or ANUS. Hemorrhoids can be inside the anus (internal), under the skin around the anus (external), or protruding from inside to outside of the anus. People with hemorrhoids may or may not exhibit symptoms which include bleeding, itching, and pain. N0000001493 Rectal Diseases [Disease/Finding] Vascular Diseases [Disease/Finding]