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Osteosarcoma is the most commonly diagnosed primary malignant bone tumor, with similar global incidence rate across childhood and adolescence. Patients with localized disease have a 5-year survival period of 80 %; however, the prognosis is poor in those with metastatic osteosarcoma. The origin of the primary tumor is most frequently the metaphyseal (actively growing) regions of the distal femur, proximal...
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