Article History
Received: 13 December 2017
Accepted: 19 May 2018
First Online: 9 June 2018
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.
: No experipmental procedures were performed in this retrospective and descriptive, laboratory-based-study that reviewed routinely obtained pathological material. Hence. A separate ethics clearance was not taken.
: Informed consent of patients is taken for biopsy.