Linear Scleroderma. Scleroderma is a rare autoimmune disease in which an overproduction of abnormal collagen causes normal tissues to be replaced with thick, dense scar tissue that can affect underlying bones and muscles if left untreated.
Liver pain. Liver pain is felt in the upper right area of the abdomen, just below the ribs. Usually, it is a dull, vague pain though it can sometimes be quite severe and may cause a backache. Sometimes people perceive it as pain in the right shoulder.
Important notice: It is been found that alcoholism is the leading cause of liver disease. It can cause liver inflammation, trauma, infections, and even liver cancer. Common causes of liver pain are detailed below: Liver cancer. Malicious tumor of liver is responsible for pain in this area. .