<prompt> For bleeding varices of the esophagus, the common operationoperations isarePoocaval shuntGastrectomySplenectomyAll of the above  <response>: In poal hypeension, as in the case of cirrhosis of the liver, the anastomoses become congested and form venous dilatations. Such dilatation can lead to esophageal varices and anorectal varices. Caput medusae can also result. A poacaval shunt or poal caval shunt is a treatment for poal hypeension. A connection is made between the poal vein, which supplies 75 of the livers blood, and the inferior vena cava, the vein that drains blood from the lower two-thirds of the body. Ref:Sabiston 20th edition Pgno :1439 