What is osteosarcoma?
Osteosarcoma is a kind of bone cancer that most often affects children and teenagers. It usually begins in a leg bone (either the femur or the tibia) near the knee or in the upper arm bone (the humerus) near the shoulder. Osteosarcoma can metastasize (spread) to other parts of the body, most often to the lungs or to other bones.
Osteosarcoma: A Multidisciplinary Approach to Diagnosis and Treatment by JC Wittig, J Bickels, D Priebat, J Jelinek, K Kellar-Graney, B Shmookler, MM Malawer (American Family Physician March 15, 2002, http://www.aafp.org/afp/20020315/1123.html)
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