<prompt> Poosystemic shunt is not sent inLiverpoolSpleenAnorectumGastrointestinal Esophageal  <response>: At the liver, hepatic sinusoids superior epigastric veins are forming poocaval anastomosis, at rectum superior rectalmiddle, inferior rectal vein forms, at oesophagus between left gastric and azygos vein. Ref: Grays 39ep1026 