Expert breast cancer doctor, Robert Carlson, MD, of the Stanford Comprehensive Cancer Center, explains HER2-positive breast cancer and why drugs like trastuzumab work for some breast cancers but not others in this video from the National Comprehensive Cancer Network (NCCN). The NCCN, a not-for-profit alliance of 21 of the world's leading cancer centers, is dedicated to improving the quality and effectiveness of care provided to patients with cancer. For more information on breast cancer and other cancers, including the NCCN Guidelines for Patients, visit www.NCCN.com.
