PR-OCT Imaging (image) Washington University in St. Louis Share Print E-Mail Caption The PR-OCT imaging detected images of colon cancer (top photo) and of normal colon tissue. The green boxes indicate the scores of probability of the predicted "teeth" patterns in the tissue. Credit Zhu Lab Usage Restrictions Usage allowed with proper attribution. Share Print E-Mail 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.