Fig. (2) Histological appearance of non-irradiated and 15 Gy dose irradiated SMG at 180 days. (A) 100x magnification. (B) 400x magnification. Scale bar 20 µm. MC: mucous acinos. SA: serous acinos. SD: striated duct. ID: intercalary duct. SD: striated duct. F: fibrosis. V: vacuoles.