Proctitis is an inflammation of the anus and the lining of the rectum, affecting only the last 6 inches of the rectum.
The liver lies on the right side of the abdominal cavity beneath the diaphragm. Blood is carried to the liver via two large vessels called the hepatic artery and the portal vein. The heptic artery carries oxygen-rich blood from the aorta (a major vessel in the heart).
The liver is one of those vital organs responsible for a multitude of important functions in the human body. Located in the upper right side of the abdominal cavity and positioned just below the diaphragm, the liver is the largest internal organ of the human body.