To determine the potential role of infiltrated CD3+CD8+TNFRSF1B+T cells in clinical progression, we immunostained tumour sections from 140 OC patients with 9 years follow‐up to detect CD3, CD8, TNFRSF1B, PD‐1, and IFN‐γ expression. This evidence concerns the gene PDCD1 and neoplasm.