1 Department of Pathology and Forensic Medicine - Faculty of Medicine - Universidade Federal do Ceará, Fortaleza/CE - Brazil .
2 Faculty of Medicine of Sobral - Universidade Federal do Ceará, Sobral/CE - Brazil .
3 Department of Pathology and Forensic Medicine - Faculty of Medicine - Universidade Federal do Ceará, Fortaleza/CE - Brazil.; Cancer Institute of Ceará, Fortaleza/CE - Brazil.