Germ cell tumors of hematologic diseases.
D006412:Hematopoietic Stem Cells / Q000502:physiology*; D006801:Humans; D007938:Leukemia / Q000196:embryology*; D008223:Lymphoma / Q000196:embryology*; D009373:Neoplasms, Germ Cell and Embryonal / Q000196:embryology*