Proton Therapy Is Promising, But Pricey; Some Are Concerned Patients Will Be Steered To Expensive Treatment That May Not Be More Effective

As he fought the brain cancer that killed him Aug. 25, Sen. Edward Kennedy received proton radiation treatment at Massachusetts General Hospital. People asked me when Sen. Kennedy died, 'What did it (proton therapy) buy him? said Leonard Arzt, executive director of the National Association for Proton Therapy in Washington, D.C.