CXCR2 and neoplasm: Treatment with this selective CXCR2 antagonist reduced the tumor number on the lung surface of CC-LR mice not exposed to NTHi lysate by ~67% (3-fold, 54 ± 5 without SBZ versus 18 ± 2 with SBZ) and after NTHi exposure by ~23% (1.3-fold, 108 ± 11 without SBZ versus 83 ± 21 with SBZ) (Figure 3E).