Jeffrey T Lordan1
, Robin L Jones2
, Nariman D Karanjia1
, Stefano de Sanctis3
, James G Woodland1
, Gary Middleton2
and Neville Menezes4 
1
Department of Surgery, Royal Surrey County Hospital, Guildford, Surrey. GU2 7XX, UK
2
Department of Oncology, Royal Surrey County Hospital, Guildford, Surrey. GU2 7XX, UK
3
Department of Histopathology, Royal Surrey County Hospital, Guildford, Surrey. GU2 7XX, UK
4
Hepatobiliary surgery, St. Peter's Hospital, Guildford Road, Chertsey, Surrey, KT16 0PZ, UK