Fig. 1From: 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 protocolFlow chart providing an overview of the study design. US, ultrasonography; MRI, magnetic resonance imaging; AFP, α fetoprotein; PIVKA-II, protein induced by vitamin K absence/antagonist II; CT, computed tomographyBack to article page