Histopathology of lung tissue in murine model of melanoma pulmonary metastasis with H&E staining, 14 days after hyperthermia treatment. Magnification, (A, B, C) ×200; bar, 1 mm. (D, E, F) ×400; bar, 200 μm. (A and D) group I; (B and E) group II; (C and F) group III.