NCIt synonyms : Malignant Mediastinal Germ Cell Neoplasm; Malignant Germ Cell Tumor of Mediastinum; Malignant Germ Cell Neoplasm of the Mediastinum; Malignant Germ Cell Neoplasm of Mediastinum; Malignant Germ Cell Tumor of the Mediastinum; Mediastinal Malignant Germ Cell Tumor; Thymic Malignant Germ Cell Tumor;
NCIt definition : 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.;