CD274 and adenocarcinoma: The same results were found in patients with acinar adenocarcinoma wherein high PD‐L1 expression was significantly correlated with an adverse PFS (P = 0.02) (Fig 6f), but not to poor OS (P = 0.37) (Fig 6g) or PFS (P = 0.60) (Fig 6(h)) in patients with nonacinar adenocarcinoma.