In addition, the frequencies of tumor necrosis factor (TNF)‐α+interferon (IFN)‐γ+, CD62L‐CD44+, and CD69+ tumor‐infiltrating CD8+ T cells were increased by anti‐PD‐1 mAb in tumors with APOC2‐K70R (Figure S8A–D, Supporting Information). Here, APOC2 is linked to neoplasm.