label: Testicular Mixed Yolk Sac Tumor and Teratoma with Seminoma
label_lc: testicular mixed yolk sac tumor and teratoma with seminoma
description: A malignant germ cell tumor arising from the testis.  It is characterized by a mixture of yolk sac, teratomatous, and seminomatous morphologic elements.  Patients may present with painless or painful testicular swelling.