Cholestasis, Progressive Familial Intrahepatic, 4, also known as pfic4, is related to familial intrahepatic cholestasis and intrahepatic cholestasis, and has symptoms including diarrhea and icterus. An important gene associated with Cholestasis, Progressive Familial Intrahepatic, 4 is TJP2 (Tight Junction Protein 2), and among its related pathways/superpathways are Metabolism and Nuclear receptors meta-pathway. Affiliated tissues include liver, and related phenotypes are cirrhosis and hepatocellular carcinoma