Table 3

Correlation between PD-L1 expression in tumour cells and PD-1 expression in TILs

n=162PD-1 expression in TILsp=0.03
PositiveNegativeTotal
PD-L1 expression in tumours cells (no. of patients (%))
 Positive21 (34)40 (66)61 (100)
 Negative19 (19)82 (81)101 (100)
Total40122162
  • PD-1, programmed cell death-1; PD-L1,  programmed cell death-ligand 1; TIL, tumour-infiltrating lymphocyte.