Received: 2 June 2022
Accepted: 30 August 2022
First Online: 16 September 2022
: The protocol of this study was approved by the Institutional Review Board (IRB) of Theodor Bilharz Research Institute, for the protection of human subjects and adopted by the 18th world medical assembly, Helsinki, Finland (2013). The IRB waived the need for informed consent from the participants because the study was performed on stored archival tissue blocks. Personal information of these blocks’ owners was anonymous and cannot reasonably be used by anyone.
: Not applicable.
: The authors declare that they have no conflict of interest.