Table 3 Grading of portal vein tumor thrombus
From: Clinical characteristics of hepatic Arterioportal shunts associated with hepatocellular carcinoma
Grade | Definition | Number of patients |
|---|---|---|
0 | No tumor thrombus. Only the portal venous invasion was observed. | 20 |
1 | Tumor thrombus was observed in branches of portal vein. | 34 |
2 | Tumor thrombus was observed in the right or left branches of portal vein. | 50 |
3 | Tumor thrombus was observed in the portal vein trunk. | 33 |