title: Primary malignant bone tumours.
mesh_terms: D000293:Adolescent; D000328:Adult; D001859:Bone Neoplasms / Q000453:epidemiology*; D002648:Child; D002813:Chondrosarcoma / Q000453:epidemiology; D005260:Female; D006801:Humans; D007194:India; D016403:Lymphoma, Large B-Cell, Diffuse / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D009101:Multiple Myeloma / Q000453:epidemiology; D012516:Osteosarcoma / Q000453:epidemiology; D012189:Retrospective Studies; D012512:Sarcoma, Ewing / Q000453:epidemiology