To further confirm the correlation between CCDC88A and VEGFA in cancer cell lines, the mRNA and protein levels of CCDC88A and VEGFA were evaluated in LIHC cell lines (Huh-7 and SK-HEP-1), COAD cell lines (HCT-116 and Caco-2), and LUAD (A549 and H1299), compared to non-tumor liver cell line HepRG. Here, VEGFA is linked to cancer.