reported that several CTAs, including cancer/testis antigen 1B (NY-ESO-1), MAGE family member A4 (MAGEA4) and sarcoma antigen 1 (SAGE1), were overexpressed in 1023 non-small-cell lung cancer (NSCLC) cases (33). The gene discussed is MAGEA4; the disease is non-small cell lung carcinoma.