six patients were alive and free of disease at last follow-up ( range , 0.6-12 years ; mean , 3.4 years ) , four patients had died of tumor ( within 0.5-3.3 years ; mean , 1.3 years ) , one case had died of adriamycin ( doxorubicin ) toxicity , and two cases had been lost to follow-up .
C0012634
disease
C0027651
tumor