CD274 and non-small cell lung carcinoma: Furthermore, the same rule has been employed to classify NSCLC patients (who are treated with definitive surgical resection) by % tumor PD-L1 expression (high vs. low) and density of TIL (high vs. low) via CD3 count into four immune-pathology groups: CD3hiPD-L1hi, CD3hiPD-L1lo, CD3loPD-L1hi, and CD3loPD-L1lo10.