However, that study used only 10 cases of NSCLC, while the current study, which utilized a CAL10 assay (protocol conceptualized and developed by Leica Biosystems) used 136 NSCLC specimens for the study, providing a larger data set, from which inference regarding the PD-L1 staining could be made more confidently in relation to the comparator assay. Here, CD274 is linked to non-small cell lung carcinoma.