Stanford Blood Scanner (IMAGE) Stanford University Caption Researchers led by Stanford professor Shan Wang have built a handheld device that finds event faint signs of cancer in a blood sample. Credit Sebastian Osterfeld, Stanford University 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.