Figure 7a, c show representative microscopy images of TLR5− 4T1 and TLR5+ 4T1 tumor sections (5-μm-thick) stained with H&E (100× and 400× magnification) and immunohistochemically stained for TLR5 (200× and 400× magnification) (Fig. 7b, d). The gene discussed is TLR5; the disease is neoplasm.