Fig. 2From: Comparison of biannual ultrasonography and annual non-contrast liver magnetic resonance imaging as surveillance tools for hepatocellular carcinoma in patients with liver cirrhosis (MAGNUS-HCC): a study protocolTimeline for follow-up tests. US, ultrasonography; MRI, magnetic resonance imaging; CT, computed tomography; AFP, α fetoprotein; PIVKA-II, protein induced by vitamin K absence/antagonist IIBack to article page