Tumor Image with Photoacoustic Microscopy (IMAGE) Washington University in St. Louis Caption Lihong Wang's research is dedicated to the development of novel imaging technologies. The photoacoustic microscopy image shows a melanoma tumor. Such an imaging capability is expected to play an important role in both preclinical and clinical applications. Credit Lihong Wang, PhD 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.