title: Proceedings: Retroperitoneal approach for portosystemic decompression.
mesh_terms: D006470:Hemorrhage / Q000209:etiology / Q000601:surgery*; D006801:Humans; D011168:Portal System / Q000601:surgery*; D012082:Renal Veins / Q000601:surgery; D013162:Splenic Vein / Q000601:surgery; D014648:Varicose Veins / Q000150:complications; D014656:Vascular Surgical Procedures / Q000379:methods