CD8A and neoplasm: An anti-MAGE-C2336-344.A2 T cell clonotype was detected in the blood and in the tumor before and after vaccination, but another anti-MAGE-C2336-344.A2, which recognized the same peptide/HLA was found at 1/11,000 in the blood only after vaccination and represented up to 9% of the CD8 TIL [110,120].