ITGAM and neoplasm: However, after chemotherapy withdrawal, neutrophils (CD45+CD11b+F4/80negLy6G+) and patrolling monocytes (pMo; CD45+CD11b+Ly6ClowF4/80low/negMHCIIneg) increased the most in gemcitabine-treated tumours compared with control treated tumours, while T cell numbers were significantly decreased (figure 2E).