<prompt> Fatty liver is due to excessive accumulation ofTriacylglycerolsPhospholipidsCholesterolFree fatty acids  <response>: Imbalance in the rate of Triacylglycerol Formation Expo Causes Fatty Liver For a variety of reasons, lipid--mainly as triacylglycerol--can accumulate in the liver. Extensive accumulation is regarded as a pathologic condition. Nonalcoholic fatty liver disease NAFLD is the most common liver disorder worldwide. When the accumulation of lipid in the liver becomes chronic, inflammatory and fibrotic changes may develop leading to nonalcoholic steatohepatitis NASH, which can progress to liver diseases including cirrhosis, hepatocarcinoma, and liver failure. Reference: Harper; 30th edition; Page no: 260 