Shahab Hajibandeh1, Shahin Hajibandeh2, George A Antoniou3. 1. Department of General Surgery, North Manchester General Hospital, Pennine Acute Hospitals NHS Trust, Manchester, UK. shahab_hajibandeh@yahoo.com. 2. Department of General Surgery, North Manchester General Hospital, Pennine Acute Hospitals NHS Trust, Manchester, UK. 3. Department of Vascular and Endovascular Surgery, The Royal Oldham Hospital, Pennine Acute Hospitals NHS Trust, Manchester, UK.