<prompt> Treatment of choice for extrahepatic poal thrombosisMesocaval shuntPoocaval shuntMesorenal shuntSplenorenal shunt  <response>: Since obstruction is in the poal vein, to bypass the obstruction the shunt should be preferably REX shunt mesenteric-left poal shunt Splenorenal shunt is also done in EHPVO but in 50 of patients of EPHVO, splenic vein is thrombosed, not available for splenorenal shunt 