Bone cancer is a rare type of cancer that tends to occur more frequently in men than in women. The disease usually develops slowly and lacks clear symptoms, which often leads to late-stage diagnosis. This article provides detailed information about this condition and highlights important points for early detection. This article was written under the professional guidance of MD, Specialist Level II - Nguyen Tran Quang Sang – Head of the Bone and Soft Tissue Tumor Surgery Department at the Orthopedic Trauma and Sports Medicine Center, Vinmec International General Hospital Times City.