1. Known active malignancy

2. MELD score ≥ 18 at time of screening

3. History of polycystic liver disease

4. Active bleeding from any source

5. Pulmonary hypertension, heart failure, severe tricuspid valve dysfunction, right to left cardiopulmonary shunt

6. Chronic, occlusive portal vein thrombosis or complete portal vein thrombosis of the main or target portal vein on prior CT examination

7. Active or uncontrolled hepatic encephalopathy

8. Systemic infection/sepsis

9. Biliary obstruction

10. Uncorrectable coagulopathy

11. Any diminutive or partially thrombosed right portal vein

12. Hepatic vein thrombosis (i.e., no Budd-Chiari syndrome)

13. Known sensitivity to contrast or serious contrast reaction such as anaphylaxis

14. Pregnant women or women who are planning to become pregnant

Achieving Portal Access With Scorpion Post-Approval Study (APASS)