OC-0047: PD-L1/PD-L2 gene expression differs in tumor vs. lung tissue in non-small cell lung cancer patients. (April 2016) - Reynders, K.; Wauters, E.; Vansteenkiste, J.; Decaluwé, H.; De Leyn, P.; Nackaerts, K.; Peeters, S.; Dooms, C.; Janssens, W.; Lambrechts, D.; De Ruysscher, D.