Two-Year Survival  30 to 50 percent 

Recurrent Cancer  This serious complication is even worse if it occurs while the initial treatment is being given. If combination chemotherapy causes the tumor to shrink, consideration should be given to very high dose chemotherapy combined with radiation therapy . This would require a subsequent bone marrow transplant to replace the bone marrow destroyed by these treatments. No reliable figures are yet available to predict the outcome of this approach.