TNF-α correlated with M1 macrophages in the stroma (r = 0.34; P < 0.05) as well as with the total number of M1 macrophages (r = 0.33; P < 0.05) and M2 macrophages in the tumor islets (r = 0.24; P < 0.05). Here, TNF is linked to neoplasm.