CTLA4 and PD‐1 antibodies upregulate the functions of T cells, which may cause T cell‐associated autoimmune diseases like uveitis.16 Also, in a clinical trial of tumor infiltrating lymphocytes plus interleukin 2 (TIL + IL2), 35 patients were enrolled and five were diagnosed with uveitis after treatment. The gene discussed is IL2; the disease is uveitis.