Radiation and chemotherapy are traditional weapons in the fight against cancer. John Roberts (Virginia Commonwealth University) says promising research is underway at the Massey Cancer Center that should help doctors take more precise aim at the cancer cells without killing healthy tissue.

Also featured: Melanoma cases have been rising about 4 percent annually since 1973, and are expected to top 38,000 in the United States this year. Craig Slingluff (University of Virginia) describes clinical trials that are under way on a tumor vaccine that targets this deadly skin cancer.

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