label: Malignant Mediastinal Germ Cell Tumor
label_lc: malignant mediastinal germ cell tumor
description: "An extragonadal malignant germ cell tumor that arises from the mediastinum.  This category includes seminoma, embryonal carcinoma, yolk sac tumor, choriocarcinoma, mixed germ cell tumors, and immature malignant teratoma."