Miguel Perez-Pinzon, Ph.D., FAHA, Chair, International Stroke Conference 2019 Program Committee, offers overviews and perspective on late breaking science being presented at ISC 2019 in Honolulu. He is Professor of Neurology/Neuroscience, Director, Cerebral Vascular Disease Research Center, Director, Peritz Scheinberg Cerebral Vascular Laboratory, Vice-Chair for Neurology Basic Science at the Miller School of Medicine, Department of Neurology at the University of Miami, Miami, FL. copyright American Heart Association "When assessing the results of surgery for brain hemorrhage, it is critical to consider how much blood was successfully removed. And unless large majority of clot is in fact removed and only a very small portion of the blood left, the benefits of the surgery will not occur."