 Bone is a frequent site of metastases, and typically indicates a short-term prognosis in cancer patients. Once cancer has spread to the bones it can rarely be cured, but often it can still be treated to slow its growth. Bone metastasis is actually much more common than primary bone cancers, especially in adults. This article was authored by Filippa Macedo, Cardiolidera, Filippa Pinyu, and others.