<prompt> All of the following are risk factors for Hepatocellular carcinoma except:Hepatitis C infectionAlcoholismAlfatoxinsAnimal fat in diet  <response>: Answer is D Animal fat in diet Animal fat in diet is a known risk factor for development of colorectal cancer. It has not been mentioned as a risk for hepatocelhdar carcinoma. Risk factors for hepatocellular carcinoma: Major etiological factors Viral infection Hepatitis C infection Hepatitis B infection Chronic alcoholism Other etiological factors Alpha antitrypsin deficiency Hemochromatosis Tyrosinemia Primary biliary cirrhosis Food contaminants: Al fatoxins Exposure to thoriumdioxide or vinyl chloride Long term androgenic steroid administration Exposure to estrogen 