Osteosarcoma.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000671:Amputation, Surgical; D001706:Biopsy; D001847:Bone Diseases / Q000175:diagnosis; D001859:Bone Neoplasms / Q000175:diagnosis* / Q000401:mortality / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D002648:Child; D005260:Female; D006801:Humans; D007717:Knee; D007719:Knee Joint; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D012516:Osteosarcoma / Q000175:diagnosis* / Q000401:mortality / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*