MKI67 and neoplasm: In addition, expression of PD-L1 (Median 29.1 % ± 28.8% vs 30.0 % ± 26.6 %, p = 0.71), Ki67 (Median 32.7 % ± 17.1% vs 30.9 % ± 17.1 %, p = 0.75) or CD271 (Median 54.3 % ± 31.1% vs 37.4 % ± 31.3 %, p = 0.07) in the tumor stroma contact area was similar in tumors with and without a response to treatment.