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