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Office
4805 NE Glisan St
Ste 6N60
Portland, OR 97213Phone+1 503-281-0561Fax+1 503-416-7377
Education & Training
- Oregon Health & Sciences UniversityMCR, Clinical Research, 2009 - 2012
- Portland Providence Medical CenterFellowship, 2009 - 2011
- University of HawaiiResidency, Surgery, 2004 - 2009
- University of Illinois College of MedicineClass of 2004
- University of Illinois at Urbana-ChampaignMS, Aeronautical and Astronautical Engineering, 1996 - 2002
- National Aerospace LaboratoryEngineering Graduate Intern, 1999 - 1999
- TRW, Inc.Internship, Engineering Summer Intern, 1997 - 1997
- University of Illinois at Urbana-ChampaignBS, Aeronautical and Astronautical Engineering, 1990 - 1996
- Florida State University College of MedicineInternship, Washington Internships For Students of Engineering, 1993 - 1993
- Institute of Electrical and Electronics EngineersInternship, Washington Internships for Students of Engineering (WISE) program, 1993 - 1993
- ShinMaywa Industries Ltd.Engineering Summer Intern, 1992 - 1992
Certifications & Licensure
- IL State Medical License 2021 - 2026
- WA State Medical License 2024 - 2026
- MO State Medical License 2017 - 2025
- OR State Medical License 2023 - 2025
- HI State Medical License 2004 - 2009
- American Board of Surgery Surgery
Awards, Honors, & Recognition
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2012
- Society of Laparoendoscopic Surgeons Resident Achievement Award 2009
- University of Hawaii Transitional Residency Program Award for Excellence in Resident Teaching 2008
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Clinical Trials
- Chemoimmunotherapy and Radiation in Pancreatic Cancer Start of enrollment: 2013 Jul 01
- Remote Telemonitoring to Improve Prehabilitation and Surgical Outcomes of Patients Undergoing Elective Abdominal Surgery Start of enrollment: 2019 Jan 15
- Fluorescence Imaging in Hepatobiliary Surgery Start of enrollment: 2021 Dec 31
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Publications & Presentations
PubMed
- 28 citationsRe-defining a high volume center for pancreaticoduodenectomy.Roheena Z. Panni, U.Y. Panni, Jingxia Liu, Gregory A. Williams, Ryan C. Fields
HPB. 2019-03-01 - 30 citationsDetailed characterization of tumor infiltrating lymphocytes in two distinct human solid malignancies show phenotypic similaritiesMagdalena Kovacsovics-Bankowski, Lana Chisholm, Jonna Vercellini, Christopher G. Tucker, Ryan Montler
Journal for Immunotherapy of Cancer. 2014-11-18 - 77 citationsSafe cholecystectomy multi-society practice guideline and state-of-the-art consensus conference on prevention of bile duct injury during cholecystectomy.L Michael Brunt, Daniel J Deziel, Dana A Telem, Steven M Strasberg, Rajesh Aggarwal
Surgical Endoscopy. 2020-07-01
Journal Articles
- Post-Discharge Phone Call Intervention After PancreaticoduodenectomyDarren R Cullinan, Chet Hammill, Ryan C Fields, Steven M Strasberg, William G Hawkins, Journal of The American College of Surgeons
- Radiofrequency ablation for the treatment of colorectal liver metastases: 10-year experience.Kennedy TJ, Cassera MA, Khajnachee YS, Diwan TS, Hammill CW, Hansen PD, Journal of Surgical Oncology
- Umbilical hernia repair in patients with esophageal varices or ascites: complication rates and predictors of adverse outcome.Cho S, Bhayani N, Newell P, Cassera M, Hammill C, Wolf R, Hansen P, Archives of Surgery 147(9):864-9
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Abstracts/Posters
- Ablate, Resect, or Transplant? The ART of treatment for hepatocellular cancer.Hammill C, Wong LL, International Hepato-Pancreato-Biliary Association, World Congress, Buenos Aires, Argentina
- Precise Measurement of the Coefficient of Expansion in Aqueous Solutions Using Holographic Interference Patterns.Hammill, C, Montana Academy of Sciences
- Solar Power Satellite Energy Beaming.Hammill, C, Japan - U.S. JAMS Seminar, Crested Butte, CO
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Lectures
- Laparoscopic Common Bile Duct Exploration.9 th Annual Postgraduate Course in Minimally Invasive Surgery: Practical Applications for Everyday
- Common Bile Duct Injury.9 th Annual Postgraduate Course in Minimally Invasive Surgery
- Laparoscopic Hepatectomies.The Queens Medical Center Minimally Invasive Surgery Symposium
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Authored Content
- Post-Discharge Phone Call Intervention After PancreaticoduodenectomyOctober 2018
Press Mentions
- Shape-Shifting Ultrasound Stickers Detect Post-Surgical ComplicationsMarch 8th, 2024
- Potentially Life-Saving Sticker Blows the Whistle on Post-Surgical LeaksMarch 9th, 2024
Professional Memberships
- Fellow
- Member
- Americas Hepato-Pancreato-Biliary AssociationMember
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