CD274 and non-small cell lung carcinoma: Nevertheless, there was no significant association between CAF PD-L1 expression and TILs in non-small cell lung cancer [18] and TNBC assessed with the 73–10 assay in our study (stromal TILs were significantly associated with CAF PD-L1 positivity when assessed using SP142 and E1L3N assays in the present cohort).