Malignant Mediastinal Germ Cell Tumor Stage Grouping of the Pediatric Study Group

**Semantic type:** Neoplastic Process

**Definition:** A term that refers to the staging of mediastinal malignant germ cell tumors according to the Pediatric Study Group staging criteria. This staging system is not an official UICC TNM classification. (WHO Classification of Tumors of the Lung, Pleura, Thymus and Heart, 2015)

**Synonyms:** - Malignant Thymic Germ Cell Tumor Stage Grouping of the Pediatric Study Group