title: Preoperative assessment of portal hypertension.
mesh_terms: D000792:Angiography; D006049:Gold Isotopes; D006503:Hepatic Veins / Q000000981:diagnostic imaging; D006801:Humans; D006975:Hypertension, Portal / Q000175:diagnosis*; D008102:Liver Circulation; D011168:Portal System / Q000503:physiopathology*; D011172:Portography; D011877:Radionuclide Imaging
chemical_list: D006049:Gold Isotopes