An anal fissure is a small tear in the rectum caused by constipation, chronic diarrhea, childbirth, or anal sex. Surgical treatment aims to reduce spasms to promote healing.
Hemorrhoids are swollen veins of the rectum that causes pain and itching. Treatment consists of placing a clip on hemorrhoid or removing it with a scalpel.
Liver removal - Hepatectomy
Liver surgery is performed to remove an affected part of the liver to treat liver cancer, colorectal cancer, or benign liver diseases.