AFP and hepatocellular carcinoma: For instance, the sentences ‘Nowadays, alpha fetoprotein is the most widely used tumor marker for screening and diagnosis of hepatocellular carcinoma.’ and ‘Annexin A2 was then selected for further verification.’ were deemed by all curators to be ‘Relevant’ and ‘Irrelevant’ in relation to the genes ‘AFP’ and ‘ANXA2’, respectively.