Footnotes Contributors Project design/conception: JC and NB. Data and figure chart extraction: PS. Manuscript drafting: JC. Pathology slide images and interpretation: PS. Critical revision of the manuscript: JC, NB, PS and ND. All authors were involved in care of the patient and approved the final draft submitted. Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors. Competing interests None declared.
