Mediastinal Germ Cell Tumor

**Semantic type:** Neoplastic Process

**Definition:** A germ cell tumor that arises from the mediastinum. Representative examples include seminoma, embryonal carcinoma, yolk sac tumor, teratoma, and mixed germ cell tumor.

**Synonyms:** - Germ Cell Neoplasm of Mediastinum - Germ Cell Neoplasm of the Mediastinum - Germ Cell Tumor of Mediastinum - Germ Cell Tumor of the Mediastinum - Mediastinal Germ Cell Neoplasm - Thymic Germ Cell Tumor