CD274 and rectum adenocarcinoma: TCM from 2Gy irradiated rectal adenocarcinoma significantly inhibited LPS-induced DC maturation, compared to 0Gy patient-matched biopsies for CD54 (p = 0.003), HLA-DR (p = 0.007), CD86 (p = 0.050) and PD-L1 (p = 0.036) (Fig. 3a).