Recent reports in NSCLC have defined MDSCs as CD33+CD11b+ [24], CD14−CD11b+ [23], CD15+CD14−CD33+CD11b+ [23], CD14+HLA-DR−/low [29], and CD15−CD14+CD33+CD11b+ [30] cells. This evidence concerns the gene ITGAM and non-small cell lung carcinoma.