CNV67, observed in 1.1% of patients may remove (considering its maximum size) the melanoma antigen family A, 9B (MAGEA9B), which belongs to the Cancer Testis Antigens (CTAs) gene family, expressed exclusively in the testis with the highest expression level in spermatocytes and in some tumour cell lines [16]. The gene discussed is MAGEA9B; the disease is cancer.