Drug Resistant Cancer Cell (IMAGE) Cold Spring Harbor Laboratory Caption Cold Spring Harbor Laboratory Visiting Scientist Raffaella Sordella found that EGFR-sensitive lung tumors contain a small percentage of drug-resistant cancer cells prior to treatment, like those pictured here. In this image, the internal skeletons of the cells are stained in green and the nuclei are blue. Credit Sordella lab/CSHL, 2021 Usage Restrictions Attribution required 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.