Assertion: portal vein's pattern | /r/HasProperty | common
Facets:
Source sentences:
text: Subtle variant branching patterns of the portal vein are common, and their recognition is important during planning of liver resection (to ensure that portal perfusion to the remnant liver is not inadvertently compromised), liver transplantation (to enable appropriate graft selection so as to avoid complex portal venous anastomoses that might compromise the graft or the residual portion of liver in a living donor), and percutaneous interventional procedures (to allow safe, effective completion).