title: Leukapheresis in a 3-year-old child with lymphoma in leukemic transformation.
mesh_terms: D002471:Cell Transformation, Neoplastic; D002675:Child, Preschool; D006801:Humans; D007937:Leukapheresis; D007938:Leukemia / Q000628:therapy*; D008228:Lymphoma, Non-Hodgkin / Q000628:therapy*; D008297:Male; D008479:Mediastinal Neoplasms / Q000628:therapy*