ANGPTL6 and hepatocellular carcinoma: We found that ANGPTL6 (https://www.proteinatlas.org/ENSG00000130812-ANGPTL6/blood+protein, accessed on 3 September 2021) and MBL2 (https://www.proteinatlas.org/ENSG00000165471-MBL2/blood+protein, accessed on 3 September 2021) may be secreted into the blood and speculated that they may have potential values in peripheral blood for the diagnosis of HCC.