Real-time RT-PCR for tumor-associated myeloid cells in RMM nodules (3 cm) for IFN-γ (a), GM-CSF (b), IL-12a (c), TGF-β1 (d), M-CSF (e), IL-10 (f), Gal-3 (g) TNF-α (h) and IL-1β (i). MHC II+, CD11b+ MHC class II+ cells; CD163+, CD11b+ CD163+ cells; CD80+, CD11b+ CD80+ cells; CD11c+, CD11b+ CD11c+ cells. Tukey’s test. *P < 0.05, **P < 0.001, significantly different between groups indicated by bars