For Peer Review Editorial/Commentary Hyaluronate carboxymethylcellulose-based bioresorbable membrane facilitates a two-stage pancreaticoduodenectomy: unnecessarily necessary? Sudip Sanyal 1 , Dileep N Lobo 1,2 1 Gastrointestinal Surgery, Nottingham Digestive Diseases Centre and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Queen’s Medical Centre, Nottingham NG7 2UH, UK 2 MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Nottingham, Queen’s Medical Centre, Nottingham NG7 2UH, UK Running Head: Hyaluronate carboxymethylcellulose membrane and two-stage pancreaticoduodenectomy Corresponding Author & Request for Reprints: Professor D. N. Lobo Professor of Gastrointestinal Surgery, Nottingham Digestive Diseases Centre, Nottingham University Hospitals, Queen’s Medical Centre, Nottingham NG7 2UH, UK Tel: +44 115 8231149 Fax: +44 115 8231160 E-mail: dileep.lobo@nottingham.ac.uk Word count (excluding title page and references): 638 Declaration of interests: None to declare External funding: None Key words: hyaluronate carboxymethylcellulose-based bioresorbable membrane; two-stage pancreaticoduodenectomy; adhesions; outcome Page 2 of 6 World Journal of Surgery 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60