Osteosarcoma.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000671:Amputation, Surgical; D000818:Animals; D001859:Bone Neoplasms; D002648:Child; D002675:Child, Preschool; D004285:Dogs; D005266:Femoral Neoplasms; D006801:Humans; D007223:Infant; D008175:Lung Neoplasms / Q000601:surgery; D008875:Middle Aged; D009362:Neoplasm Metastasis; D012516:Osteosarcoma / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery / Q000662:veterinary; D011859:Radiography; D013977:Tibia