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Office
4805 NE Glisan St
Suite 6N60
Portland, OR 97213Phone+1 503-281-0561Fax+1 503-416-7377- Is this information wrong?
Education & Training
Washington University/B-JH/SLCH ConsortiumResidency, Colon and Rectal Surgery, 1998 - 1999
Sidney Kimmel Medical College at Thomas Jefferson University/TJUHResidency, Surgery, 1991 - 1998
University of Maryland School of MedicineClass of 1991
Certifications & Licensure
OR State Medical License 1999 - 2025
PA State Medical License 1991 - 2008
ME State Medical License Active through 1998- American Board of Colon and Rectal Surgery Colon & Rectal Surgery
- American Board of Surgery Surgery
Awards, Honors, & Recognition
- Portland Monthly Magazine Castle Connolly
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2011
- Fellow (FACS) American College of Surgeons
Clinical Trials
- The Significance of Sentinel Node Analysis in Colon Cancer Start of enrollment: 2004 Jun 01
- Immunoscore in Rectal Cancer Start of enrollment: 2014 Jan 24
Publications & Presentations
PubMed
- 24 citationsGalunisertib plus neoadjuvant chemoradiotherapy in patients with locally advanced rectal cancer: a single-arm, phase 2 trial.Tomoko Yamazaki, Andrew J Gunderson, Miranda Gilchrist, Mark Whiteford, Maria X Kiely, Amanda Hayman, David O'Brien, Rehan Ahmad, Jeffrey V Manchio, Nathaniel Fox, Kay...> ;The Lancet. Oncology. 2022 Sep 1
- Disease-free Survival and Local Recurrence for Laparoscopic Resection Compared With Open Resection of Stage II to III Rectal Cancer: Follow-up Results of the ACOSOG Z6...Fleshman, J., Branda, M. E., Sargent, D. J., Boller, A. M., George, V. V., Abbas, M. A., Peters, W. R., Maun, D. C., Chang, G. J., Herline, A., Fichera, A., Mutch, M. ...> ;Annals of surgery. 2018 Aug 7
- 724 citationsEffect of Laparoscopic-Assisted Resection vs Open Resection of Stage II or III Rectal Cancer on Pathologic Outcomes: The ACOSOG Z6051 Randomized Clinical TrialJames W. Fleshman, Megan E. Branda, Daniel J. Sargent, Anne Marie Boller, Virgilio George, Maher A. Abbas, Walter R. Peters, Dipen Maun, George J. Chang, Alan J. Herli...> ;JAMA. 2015 Oct 6
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Press Mentions
Evolution of Transanal Total Mesorectal Excision for Rectal Cancer: From Top to BottomMarch 27th, 2018
Whirlwind of ActivityMarch 13th, 2017
Professional Memberships
- Fellow
- Fellow
- Member
Hospital Affiliations
Legacy Good Samaritan Medical CenterPortland, Oregon
Providence Portland Medical CenterPortland, Oregon
Providence St. Vincent Medical CenterPortland, Oregon
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