Representative histopathology of mammary gland and tumors developed from Balb/c mice bearing 4T1 breast carcinoma in different treatment groups. The animals were treated as described in section 2.3 and tumor slides were stained with H&E. A) Healthy group. B) Control. C) Magh-citrate. D-F) Rh2(H2cit)4. G-I) Magh-Rh2(H2cit)4. Asterisk indicates changes in the glandular epithelium tumor. Duct (D). Fibrosis (F). Lymph node (Li). Necrosis areas (N). Secretion (S). Tumor (T). Vessel (V). Apoptosis cells (arrows).