379533 PV portal vein 1131 1524520 PVL portal vein 9 1525771 PVT portal vein 8 499578 vp portal vein 6 1523466 PVE portal vein 4 1485919 PoV portal vein 4 1523049 PVA portal vein 3 364621 Po portal vein 3 338979 PA portal vein 2 1897813 P-liver portal vein 1 1484841 POR portal vein 1 3381365 PVAT portal vein 1 3382383 PVIR portal vein 1 1525527 PVR portal vein 1 2760819 V. portae portal vein 1 1813546 VPO portal vein 1