Explanation
•Ewing's sarcoma is a rare cancer of bone and soft tissue and is prevalent mainly in adolescents during the onset of puberty.
•Generally the patients have a male/female ratio of 1.6:1. It is more common in males and occurs mostly between the ages of 10-20 years. Internationally, less than 2 children per million are affected.
•Multiple myeloma is most common in the elderly.
•Wilm's tumor is most common in children.
•Chronic lymphocytic leukemia and angiosarcoma primarily affect adults.