Risk of lymph node metastases in patients with T1b oesophageal adenocarcinoma: A retrospective single centre experience
David Graham, Nejc Sever, Cormac Magee, William Waddingham, Matthew Banks, Rami Sweis, Hannah Al-Yousuf, Miriam Mitchison, Durayd Alzoubaidi, Manuel Rodriguez-Justo, Laurence Lovat, Marco Novelli, Marnix Jansen, Rehan Haidry, GI Services, University College London Hospital, London NW1 2BU, United Kingdom
David Graham, William Waddingham, Laurence Lovat, Marnix Jansen, Rehan Haidry, Division of Surgery and Science, University College London, London WC1E 6BT, United Kingdom
Nejc Sever, Gastroenterology Department, University Medical Center Ljubljana, Slovenia
Cormac Magee, Department of Metabolism and Experimental Therapeutics, University College London, London WC1E 6BT, United Kingdom
Author contributions: Graham D, Sever N and Haidry R designed the research, analysed data and wrote the paper; Magee C, Banks M, Sweis R, Lovat L, Novelli M, Jansen M and Haidry R designed the research, analysed data and reviewed paper; Waddingham W, Al-Yousuf H, Mitchison M and Rodriguez-Justo M designed the research and analysed data.
Institutional review board statement: The institutional review board approval was waived. However, this work was undertaken as a retrospective audit of patient care as part of service evaluation under the authorization of our local audit and governance guidelines.
Informed consent statement: Patients were not required to give informed consent to this study as the analysis used anonymous data that were obtained after each patient had agreed to to treatment by written consent.
Conflict-of-interest statement: The authors declare no conflicts of interest.
STROBE statement: I, Dr Rehan Haidry, Consultant Gastroenterologist and Honorary Senior Lecturer at University College Hospital, London confirm that our article contains all relevant features outlined in the STROBE checklist.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: David Graham, BSc, MBBS, MRCP, Doctor, GI Services, University College London Hospital, 235 Euston Road, London NW1 2BU, United Kingdom. firstname.lastname@example.org
Telephone: +44-203-4477488 Fax: +44-203-4479217
Received: August 1, 2018
Peer-review started: August 1, 2018
First decision: August 24, 2018
Revised: September 29, 2018
Accepted: October 16, 2018
Article in press: October 16, 2018
Published online: November 7, 2018