The 20 year survival rate of Ewing's sarcoma is estimated to be between 40 and 70 percent. However, the exact survival rate depends on a number of factors, such as the size and location of the tumor, the spread of the cancer, the patient's age, the treatment received, and the patient's overall health.
In general, the 5-year survival rate for localized Ewing's sarcoma is estimated to be between 70 and 80 percent. The 10-year survival rate is estimated to be between 50 and 70 percent. The 20-year survival rate is estimated to be between 40 and 70 percent.
For patients with metastatic Ewing's sarcoma, the 5-year survival rate is estimated to be between 10 and 30 percent. The 10-year survival rate is estimated to be between 5 and 20 percent. The 20-year survival rate is estimated to be between 0 and 10 percent.
Overall, the survival rates for Ewing's sarcoma have been steadily increasing in recent years due to advances in diagnosis and treatment. However, due to the rarity of this cancer, more research is needed to further improve the survival rate.