Commentary: Cancer after the OAGB-MGB
Invited response to “The first case report of a carcinoma of the gastric cardia (AEG II) after OAGB-MGB”.
Gastric and esophageal cancers are common and obesity increases the risk. The mini gastric bypass-one anastomosis gastric bypass (OAGB-MGB) is growing popularity, now widely performed around the world. The confluence of these two common events is inevitable.
This case is one of the first to find malignancy following the OAGB-MGB initially performed in 1997 . Similarly, there is a growing number of reports of cancers and precancerous Barrett’s esophagus with dysplasia after sleeve gastrectomy (SG).
Many studies (randomized trials, long-term follow-up, and systematic reviews) have demonstrated excellent outcomes of the OAGB-MGB. The Billroth II used in the OAGB-MGB is and has been the routine choice of general, trauma, and oncologic surgeons in reconstruction of the gut following gastric resection for more than 100 years. Large-scale, population-based, nationwide studies comparing...
Compliance with Ethical Standards
Conflict of Interest
All authors are included in the following blinded statement:
Authors #1–29 Report that they are all now or have been in active clinical bariatric practice and have offered, reviewed, discussed or presented talks, research, educational meetings or other local, regional, national and international activities on the topics of bariatric surgery and the procedures and management of bariatric surgery including the OAGB-MGB. In many cases in the past years the authors have at various times expressed their opinions to patients, physicians and surgeons in a variety of venues and for a variety of meetings both public and private, commercial and non-commercial. Overall the authors report their experience with almost 40,000 OAGB-MGB cases and in many cases the authors have expressed strong opinions related to the OAGB-MGB in both spoken and written formats.Such opinions are either original or they may be references to opinions previously expressed in books or monographs or public comments. Authors also report membership in numerous local, regional, national and international medical, surgical and/or bariatric educational organizations.
A Statement of Informed Consent
Re: Patient informed consent: No patient information is disclosed or used in the presentation of this commentary. This is not a study on patients or volunteers of any kind. It is specifically a commentary on a published letter/case report and thus does not include either an ethics committee approval or an informed written consent.
A Statement of Human and Animal Rights
Re: Human and animal rights: This is not a study on patients, volunteers, humans of any kind nor does it involve animal research of any type. It is specifically a commentary on a published letter/case report and thus does not include either an ethics committee approval or a patient informed written consent.
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The authors referred to immediately above certify that they have NO affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements) in the subject matter or materials discussed in this manuscript except as expressly indicated in the attached conflict of interest forms.
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