Sarcoma in Paget's disease of bone.
D001842:Bone and Bones; D006801:Humans; D009369:Neoplasms; D010001:Osteitis Deformans / Q000150:complications*; D012516:Osteosarcoma; D012509:Sarcoma
OSTEITIS DEFORMANS/complications; SARCOMA, OSTEOGENIC