Seminoma is a germ cell tumor of the testes. Following are the risk factors of seminoma: - cryptorchidism - Caucasian race - family history of testicular malignancy - abnormal spermatogenesis - hypospadias - Klinefelter syndrome - testicular dysgenesis Reference: https://www.wikidoc.org/index.php/Seminoma_risk_factors Image via: https://radiopaedia.org/cases/seminoma-pathology?lang=us