OBJECTIVE Programmed death ligand-1(PD-L1)and indoleamine 2,3-dioxygenase 1(IDO1)are immune checkpoints which can be ind......

Background The association between the expression of programmed cell death 1(PD-1) or its ligand [programmed cell death ......

AIM To investigate the expression and prognostic role of programmed death ligand-1(PD-L1) in locally advanced esophageal......