IGF1R CAR T cells from two donors also killed a panel of sarcomas lines including 1 EWS (Rh1), 1 OS (SaOS2), 1 FS (HT1080), 3 ARMS (Rh18, Rh30, Rh41) and 2 ERMS (RD, Rh36) (vs K562, p = 0.001, Fig 2B). This evidence concerns the gene IGF1R and sarcoma.