Wild-type C57BL/6 mice bearing parental (A) or PD-L1 knockout (B) MOC1 tumors were treated with PD-L1 CAR haNKs (1 × 107 cells IP, beginning day 10, twice weekly for six doses, n = 10 mice/group) or 1xPBS control and primary tumors were followed for growth. Individual tumor growth curves shown on the left, with summary growth curves shown on the right. The gene discussed is CD274; the disease is neoplasm.