Received: 7 February 2019
Accepted: 26 June 2019
First Online: 3 July 2019
Ethics approval and consent to participate
: The Ethical Committee of “University Clinical Center of Kosovo” approved the conduction of this research.
: The study material is paraffin blocks retrieved from our archive and is of pure morphological nature. No therapeutic or other interventions were undertaken in patients.
: The authors declare that they have no competing interests.