PDPN lung metastasis (IMAGE) University of Tokyo Caption Photographs and microscope images of tissue containing a tumor. The sample on the left is the control sample, and the other two had reduced PDPN and show reduced metastatic sites. Credit ©2023 Kato et al. CC-BY Usage Restrictions Credit must be given to the creator. License CC BY 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.