News Package (VIDEO) MediaSource This video is under embargo. Please login to access this video. Caption For women living with incurable breast cancer, adding a drug that inhibits the growth of cancer cells to anti-estrogen therapy was found to greatly improve overall survival rates. Credit UCLA Jonsson Comprehensive Cancer Center Usage Restrictions All multimedia is available for free and unrestricted media use with courtesy to UCLA Jonsson Comprehensive Cancer Center. License Licensed content 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.