Received: 19 March 2019
Accepted: 4 August 2021
First Online: 23 August 2021
: The study was approved by University of Zambia Biomedical Research Ethics Committee (UNZABREC) (protocol number: 071-06-17). Permission to review histopathology laboratory records was obtained from relevant authorities at UTH. Patient’s confidentiality was upheld by not publishing any patient’s details in the final manuscript and the study adhered to the guidelines of the Helsinki Declaration [CitationRef removed].
: Not applicable
: The authors declare that they have no competing interests.