NCIt synonyms : Mediastinal Malignant Germ Cell Tumor with Associated Hematologic Malignancy; Malignant Mediastinal Germ Cell Tumor with Associated Hematological Malignancy; Germ Cell Tumor with Associated Hematological Malignancy;
NCIt definition : An extragonadal non-seminomatous malignant germ cell tumor that arises from the mediastinum
and is associated with a hematologic malignancy. The hematologic malignancies are
clonally related to the malignant germ cell tumor and include acute leukemias, myelodysplastic
syndromes, myeloproliferative neoplasms, and mastocytosis.;