Because of his age - he was then 79 - doctors immediately ruled out surgery. That left him with the choice of radiation treatments that would require as much as 50 injections. Or he also could allow the doctors to wait and see how bad the cancer developed.
Instead, Hallett learned about a third option: CyberKnife. It was a clinical trial being offered through Georgetown University Hospital in Washington, D.C., last year and provided a smaller number of treatments.
The system is now widely available and Hallett, who no...
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