Received: 19 September 2019
Accepted: 21 February 2020
First Online: 6 March 2020
Ethics approval and consent to participate
: Authors’ institution does not require ethical approval for publication of a single case report.
: The patient had provided written informed consent to the publication of his personal information, clinical details, and de-identified CT scans, histological and colonoscopy images. Copy of the consent will be available from the corresponding author on reasonable request from the editor.
: The authors declare that they have no competing interests.