Powerful One-Two Punch Targets Lung Cancer (video) Salk Institute Share Print E-Mail Loading video... Caption A mutation of the KRAS gene leads to a common and hard-to-treat lung cancer. Salk researchers find a powerful combination therapy that targets this cancer. Credit Salk Institute Usage Restrictions with credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.