Farhan Rashid1,2
, Mallicka M Chakrabarty1,2
, Rajeev Singh3
and Syed Y Iftikhar1,2 
1
Division of GI Surgery, University of Nottingham, Graduate Entry Medical School, Uttoxeter Road, Derby, DE22 3DT, UK
2
Department of Upper GI Surgery, Royal Derby Hospital, Uttoxeter Road, Derby, DE22 3NE, UK
3
Department of Radiology, Royal Derby Hospital, Uttoxeter Road, Derby, DE22 3NE, UK