Breast Cancer Prognostic CNAs (IMAGE) Cold Spring Harbor Laboratory Caption An analysis of breast cancer patient gene reveals that copy number alterations (CNAs) within cancer-causing genes is more likely to accurately indicate the severity of the disease (shown) than simply measuring how many of those genes are actually mutated to cause cancer (not shown). Credit Sheltzer/CSHL 2018 Usage Restrictions None 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.