CD274 and non-small cell lung carcinoma: The PFS was numerically longer in patients who were treated with concurrent CRT, in patients with a PD-L1 ≥ 1%, in patients with stage IIIa, and in patients with non-squamous NSCLC, and also in patients who received cisplatin and in patients who started durvalumab within 42 days after completion of radiotherapy [14].