Review
Copyright ©The Author(s) 2015.
World J Hepatol. Mar 27, 2015; 7(3): 406-424
Published online Mar 27, 2015. doi: 10.4254/wjh.v7.i3.406
Table 15 Portal vein tumor thrombus classification
Types
TypeI0: Tumor thrombus formation found under microscopy
TypeI: Tumor thrombi involving segmental branches of portal vein or above
Type II: Tumor thrombi involving right/left portal vein
Type III: Tumor thrombi involving the main portal vein trunk
Type IV: Tumor thrombi involving the superior mesenteric artery