Benign Mediastinal Germ Cell Tumor

**Semantic type:** Neoplastic Process

**Definition:** A germ cell tumor that arises from the mediastinum. There is no evidence of atypia or metastases.

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