Figure 1. Vδ1 T cells in clinical grade tumor-infiltrating lymphocytes (TILs). (A–C) Frequency of detected Vδ1 T cells in clinical grade TIL products grouped for AJCC disease stage (A), biopsy origin (B) and prior treatment with anti-CTLA4 antibodies (only patients with stage IV disease are shown) (C). (D) FACS plot from a representative TIL product (from patient 17). An electonic gate was set on the CD3⁺CD4^-CD8^- live cell population. LN, lymph node metastatis; SC, subcutaneous metastasis.