Journal of the American College of Surgeons Volume 227 Number 1 July 2018 Selected Papers Presented at the Western Surgical Association 125th Scientifi c Session Scottsdale, AZ, November 2017 Includes Special Libraries Association named Journal of the American College of Surgeons one of 100 most influential journals of the last 100 years, in medicine and biology WESTERN SURGICAL ASSOCIATION PRESIDENTIAL ADDRESS Life, Surgery, and the Philosophy of Dry Creek WESTERN SURGICAL ASSOCIATION ARTICLES Margin Guideline and Breast Surgery Outcomes Epidural vs Transversus Abdominis Block Resuscitative Endovascular Balloon Occlusion Gastrointestinal Leak after Bariatric Surgery JACS CME Available Online: http://jacscme.facs.org ISSN: 1072-7515 www.journalacs.org