Hypoxic Vessels in a Breast Tumor (image) PLOS Caption This shows severely hypoxic areas of a breast tumor (Black and dark blue on right), where sickle cells clump and bind. Credit Terman DS, Viglianti BL, Zennadi R, Fels D, Boruta RJ, et al. (2013) Sickle Erythrocytes Target Cytotoxics to Hypoxic Tumor Microvessels and Potentiate a Tumoricidal Response. PLoS ONE 8(1): e52543. doi:10.1371/journal.pone.0052543 Usage Restrictions With credit to source 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.