Institution: | (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 |