1. Laboratory of Human Pathology, Department of Pathology, Clinical Analysis and Toxicology, State University of Londrina, Londrina, PR, Brazil
2. Department of Pathological Sciences, Biological Sciences Center, State University of Londrina, Pr 445 Km 380 Celso Garcia Cid Highway, 86057-970 Londrina, PR, Brazil
3. Gineco-Med Clinical of Mastology, Londrina, PR, Brazil
4. Cancer Hospital of Londrina, Londrina, PR, Brazil