Image 1 (IMAGE) Tohoku University Caption Perfusion defect in the lymph node visualized by contrast-enhanced micro-computed tomography and high-frequency ultrasound (arrows). Credit Tohoku University Usage Restrictions Reporters may freely use these materials in news coverage with appropriate credit information. License Original 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.