Factors correlating the expression of PD-L1

PD-L1 was an important biomarker in lung adenocarcinoma. The study was to confirm the most important factor affecting the expression of PD-L1 remains undetermined. The clinical records of 1045 lung adenocarcinoma patients were retrospectively reviewed. The HighResolution Computed Tomography (HRCT) scanning images of all the participants were analyzed, and based on the CT characteristics, the adenocarcinomas were categorized according to CT textures.