title: General case of the day. Radiation induced osteosarcoma of the left clavicle with osteoblastic pulmonary metastases.
mesh_terms: D001859:Bone Neoplasms / Q000209:etiology*; D002648:Child; D002968:Clavicle; D006801:Humans; D008175:Lung Neoplasms / Q000556:secondary*; D008297:Male; D009381:Neoplasms, Radiation-Induced / Q000209:etiology*; D012516:Osteosarcoma / Q000209:etiology* / Q000556:secondary; D011878:Radiotherapy / Q000009:adverse effects*