Figure 2

Histological analysis of adenocarcinoma induced by MNNG treatment. A and B) Morphological view of adenocarcinoma (AD) in non-denervated (group III) and denervated stomach (group IV). Muscular layer (M). Intense inflammatory infiltrate (In). C and D) Detail of inflammatory infiltrate of tumor stroma constituted by mast cells (black arrows), neutrophils (arrowheads), lymphocytes (green arrows) and plasma cells (red arrows). Toluidine Blue. Bars: 100 μm (Fig. A and B), 10 μm (Fig. C and D).