Fatty liver, usually, goes as asymptomatic, but, in a number of patients can cause pain under the rib cage on the right side of the body, swelling of the abdomen, nausea, vomiting, loss of appetite, and abdominal pain.
Loss of appetite or easily feeling full, is a symptom of fatty liver, but, it can be due to a colon cancer, too.
So, it will be good idea to get a colonoscopy examination.
Fatty liver, usually, is reversible once the cause of the problem is diagnosed and corrected (alcoholism, malnutrition, pregnancy, diabetes, high blood triglycerides; cause for developing a fatty liver).