A small tear in the rectum or anal fissure can be caused by constipation, diarrhea, childbirth, or anal sex. The goal of surgical treatment is to minimize spasms and improve recovery.
Hemorrhoids are swollen veins of the rectum. Treatment consists of placing a clip on the hemorrhoid or removing it with a scalpel.
Liver removal - Hepatectomy
Liver surgery is used to treat liver cancer, colorectal cancer, or benign diseases. The procedure consists of removing the affected part of the liver.