This video gives an overview of Portal-Systemic Anastomosis, which is a type of anastomosis between the portal venous system and the systemic venous system. It also describes the different sites of portacaval anastomosis along with their clinical relevance. 00:00 Introduction 00:10 Portal vein 00:35 Esophageal Varices 01:18 Hemorrhoids 01:45 Caput Medusae 02:07 Extraperitoneal Anastomosis