CTC Cluster (VIDEO) Massachusetts General Hospital This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Rotating image of circulating tumor cell cluster isolated from the blood of a patient with metastatic prostate cancer using the HB-Chip. Credit <i>Proceedings of the National Academy of Sciences</i> 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.