A recent analysis of the Cancer Genome Atlas demonstrated that KIT, KRAS, and NRAS gene variants were observed only in seminoma, while gene variants in B3GNT8, CAPN7, FAT4, GRK1, TACC2, and TRAM1L1 occurred only in embryonal carcinoma [9,14]. The gene discussed is TRAM1L1; the disease is seminoma.