URLC10-CDCA1-KOC1 multipeptide vaccine uses three HLA-A-24-restricted epitope peptides derived from cancer cells: upregulated lung cancer 10 (URLC10), cell division cycle-associated 1 (CDCA1), and KH domain-containing protein overexpressed in cancer 1 (KOC1). This evidence concerns the gene LY6K and cancer.