title: Leukaemic progression in lymphomata.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D018219:Histiocytoma, Benign Fibrous / Q000150:complications; D006801:Humans; D007945:Leukemia, Lymphoid / Q000209:etiology* / Q000473:pathology; D007951:Leukemia, Myeloid / Q000209:etiology; D008223:Lymphoma / Q000150:complications* / Q000473:pathology; D008228:Lymphoma, Non-Hodgkin / Q000150:complications; D008482:Mediastinum; D008875:Middle Aged