Reduction of CD11b^hicells is more prevalent in bone marrow than in spleen. (A) Representative CD11b profiles of NK (NK1.1⁺CD3^-) cells from bone marrow and spleen of tumor-bearing mice. (B) The percentage of reduction of CD11b^hi cells in EL4-bearing mice was calculated according to the following formula: CD11b^hi control - CD11b^hi tumor / CD11b^hi control × 100. The percentage of reduction was then compared between bone marrow and spleens and found highly significant, using a paired t test.