There are more than 30 primary bone cancers. The most common types include:

Osteosarcoma (approximately 35% of the bone cancers)

Begins in the cells that form bone tissue and often affects the arms, legs, and pelvis but can occur in any bone that is formed in young children and young adults with growing bones.

Chondrosarcoma (approximately 30% of bone cancers)

Begins in cells that lead to cartilage development and often affects bones in superficial limbs, pelvis, ribs, most often in middle-aged and elderly people.

Ewing\’s sarcoma (about 15% of the bone cancers)

Affects bone cells or soft tissues that multiply rapidly and most often affect the pelvis, the legs, the ribs, the back, the upper arms.

Some types of cancer affect the soft tissues around the bones. These are known as soft tissue sarcomas and can be treated differently.