Assertion: portal vein | /r/HasProperty | → inferior vena cava
Facets:
Source sentences:
text: Portal vein → inferior mesenteric vein → superior rectal (hemorrhoidal) veins→ middle/inferior rectal (hemorrhoidal) veins → internal iliac vein → inferior vena cava
text: Portal vein → superior and inferior mesenteric vein → colic veins → ascending lumbar veins → directly into the inferior vena cava or via azygos/hemiazygos veins → superior vena cava