a VIRMA mRNA expression in pure seminoma vs. seminoma in mixed tumors; b VIRMA mRNA expression in pure embryonal carcinoma vs. embryonal carcinoma in mixed tumors; c VIRMA mRNA expression in pure teratoma vs. teratoma in mixed tumors; d YTHDF3 mRNA expression in pure seminoma vs. seminoma in mixed tumors; e YTHDF3 mRNA expression in pure embryonal carcinoma vs. embryonal carcinoma in Mixed tumors; f YTHDF3 mRNA expression in pure postpubertal-type teratoma vs. teratoma in mixed tumors. This evidence concerns the gene YTHDF3 and embryonal carcinoma.