Ewing's sarcoma

Ewing's sarcoma is a type of bone cancer. It is a rare type of bone cancer which is found mainly in children. It found in boys more often than girls. It is not usually found in people over 30 years old. It is named after James Ewing, the doctor who first described it in 1921. 
People with Ewing's sarcoma usually feel pain, and may have a lump. They can get fevers and lose weight. In some cases the tumor can eat into the bone and cause it to fracture easily.