CD274 and adenocarcinoma: We evaluate the impact of DpR on survival with the Cox model using group 3 (0% to -29%) as the reference.<h4>Results</h4>The analysis included 175 patients: (median age: 61 years, adenocarcinoma: 82.3%; brain metastasis: 25.7%, PD-L1 ≥ 1%: 56.0%.