Fig.1 (IMAGE) Osaka University Caption A large-scale network structure formed <i>in vitro</i> by cancer cells. The diameter of the image is 14 mm. Credit Osaka 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.