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This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
Histopathology of tumors of different experimental groups: (A) Asymmetric mitoses; (B) Invasion of adipose tissue; (C) Invasion of skeletal muscle tissue. Histological sections stained with hematoxylin-eosin (×400 for A, ×100 for B and C).