Roughly a quarter of all cancerous tumors are caused by mutations in the KRAS gene, which fosters cell growth. For more than three decades, scientists believed these mutations were impervious to treatment. Today, National Institutes of Health…

Roughly a quarter of all cancerous tumors are caused by mutations in the KRAS gene, which fosters cell growth. For more than three decades, scientists believed these mutations were impervious to treatment. Today, National Institutes of Health…