physician photo

Ryan C. Fields, MD

  • Associate Professor of Surgery

Medical School

MD, Duke University School of Medicine, Durham, NC, 2003

Post Doctoral Education

Junior Resident in General Surgery, Barnes-Jewish Hospital, Washington University Medical Center, St. Louis, MO, 2003 – 2005

Research Fellow, Departments of Surgery and Immunology, Barnes-Jewish Hospital, Washington University Medical Center, St. Louis, MO, 2005 – 2006

Senior Resident in General Surgery, Barnes-Jewish Hospital, Washington University Medical Center, St. Louis, MO, 2006 – 2008

Administrative Chief Resident in General Surgery, Barnes-Jewish Hospital, Washington University Medical Center, St. Louis, MO, 2008 – 2009

Surgical Oncology Fellow, Memorial Sloan-Kettering Cancer Center, New York, NY, 2009-2011

Board Certifications

Surgery -- Certified

Honors and Awards

2017, Named to Best Doctors in America

2011, Michael E. Burt, M.D., Ph.D. Award for Clinical Excellence, Memorial Sloan-Kettering Cancer Center. Awarded annually to the graduating fellow in recognition of superior clinical and operative skills and commitment to education.

2011, David and Monica Gorin Sarcoma Fellow, Memorial Sloan-Kettering Cancer Center. Recognized for advancing the care of patients with sarcoma through research and clinical excellence.

2010, American Society of Clinical Oncology Cancer Foundation Merit Award

2009, Eugene M. Bricker Teaching Award, Department of Surgery, Barnes-Jewish Hospital, Washington University School of Medicine.

2008, James Ewing Foundation Resident Research Award, Society of Surgical Oncology 61st Annual Cancer Symposium, Health Care Disparities Category.

2008, Connect Care Surgery “Future Direction” Award, recognized for contributing to the future direction and vision of the Connect Care Mission, a St. Louis health care safety net program that provides medical care to the uninsured population of St. Louis.

Clinical Interests

Surgical Oncology, focusing on:
Tumors of the upper gastrointestinal tract, including:
- pancreatic cancer
- liver tumors (primary and metastatic)
- gastric cancer
- gastrointestinal stromal tumors (GIST)
- small bowel tumors
- neuroendocrine tumors (including carcinoid tumors)

Skin cancer, including:
- melanoma
- Merkel cell carcinoma
- basal and squamous cell cancer

Sarcoma (both extremity and retroperitoneal)

Benign hepatobiliary and pancreatic conditions

Patients Seen At

Center for Advanced Medicine
GI Center
4921 Parkview Place, Suite C, Floor 8
St. Louis, MO 63110
(314) 286-1694
Fax (314) 222-6255

Siteman Cancer Center
Barnes-Jewish West County Hospital
Medical Office Building 2
St. Louis, MO 63141
(314) 286-1694

Selected Publications

Fields RC, Strong VE, Gonen M, Goodman KA, Rizk NP, Ilson DH, Brennan MF, Coit DG, Shah MA. Recurrence and survival after pathologic complete response to preoperative therapy followed by surgery for gastric or gastrooesophageal adenocarcinoma. Br J Cancer. 2011;104:1862-8.

Fields RC, Hameed M, Jia X, Moraco N, Qin L, Maki RG, Singer S, Brennan MF. Dermatofibrosarcoma protuberans (DFSP): predictors of recurrence and response to systemic therapy. Ann Surg Oncol. 2011;18(2):328-36.

Fields RC, DeMatteo RP. Incidentally discovered, intraabdominal metallic foreign object on pre-operative imaging. Am Surg. 2010;76(9):180-1.

Fields RC, Matthews BD. Laparoscopic resection of an intraabdominal pulmonary sequestration. Am Surg. 2010;76(7):778-90.

Fields RC, Jeffe DB, Deshpande AD, Feunou F, Krishna N, Margenthaler JA. Predictors of axillary lymph node involvement in women with T3 breast cancers: Analysis of 1988-2003 SEER Data. J Surg Res. 2010;161(2):183-9.

Fields RC, Bowman MC, Freeman BD, Klingensmith ME. Implementation of an “after hours” resident educational program in a general surgery residency: A paradigm for increasing formal didactic training outside of the hospital setting in the era of the 80-hour work week. J Surg Educ. 2009;66(6):340-343.

Fields RC, Margenthaler JA. Surgical resection of the primary tumor in stage IV breast cancer patients: Is a randomized, controlled trial imperative or too costly? Journal of Surgical Oncology. 2009;99(2):85-6.

Fields RC, Aft RL, Gillanders WE, Eberlein TJ, Margenthaler JA. Treatment and outcomes of patients with primary breast sarcoma. American Journal of Surgery. 2008;196(4):559-61.

Fields RC, Heiken JP, Strasberg SM. Biliary injury after laparoscopic cholecystectomy with right liver agenesis: Case report and review of the literature. Journal of Gastrointestinal Surgery. 2008;12(9):1577-81.

Fields RC, Jeffe DB, Trinkaus K, Zhang Q, Arthur CA, Aft R, Dietz, JR, Eberlein TJ, Gillanders WE, Margenthaler JA. Surgery on the primary tumor is associated with increased long-term survival in patients with stage IV breast cancer after controlling for site of metastasis. Annals of Surgical Oncology. 2007;14(12):3345-51, 2007.

Bharat A, Narayanan K, Street T, Fields RC, Steward N, Aloush A, Meyers B, Schuessler R, Trulock E, Patterson GA, Mohanakumar T. Early post-transplant inflammation in the development of alloimmunity and chronic human lung allograft rejection. Transplantation. 2007;83(2):150-8.

Fields RC, Bharat A, Steward N, Aloush A, Chapman WC, Meyers BF, Trulock EP, Patterson GA, Mohanakumar T. Elevated soluble CD30 levels correlate with onset of bronchiolitis obliterans syndrome in lung transplant patients. Transplantation. 2006;82:1596-601.

Fields RC, Meyers BF. Sublobar resections for lung cancer. Seminars in Thoracic and Cardiovascular Surgery. 2006;18(2):85-91.

Bharat A, Fields RC, Trulock EP, Patterson GA, Mohanakumar T. Induction of IL-10 suppressors in lung transplant patients by CD4+25+ regulatory T-cells through CTLA-4 signaling. Journal of Immunology. 2006;177(8):5631-8.

Bharat A, Fields RC, Steward N, Trulock EP, Patterson GA, Mohanakumar T. CD4+CD25+ regulatory T-cells limit Th1-autoimmunity by inducing IL-10 producing T-cells following human lung transplantation. American Journal of Transplantation. 2006;6(8):1799-1808.

Pub Med Directory for Ryan C. Fields, M.D.


Fields RC, D’Angelica MD. Gallbladder Carcinoma. In: Balzan SMP, Gava VG (eds.). Principles of Hepatic Surgery. (in press)

Fields RC, Coit DG. Evidence-Based Follow-Up for the Melanoma Patient. Surg Oncol Clin N Am. 2011;20(1):181-200.

Fields RC, Klingensmith MK. Management of Appendicitis. In: Ashley S (ed.). SCORE General Surgery

Fields RC, Goers T, Mohanakumar T. The Basic Science of Lung Allograft Failure. In: Ahsan N (ed.). Chronic Allograft Failure. 2008.

Fields RC, Matthews B. Hernias. In: Klingensmith M (ed.). The Washington Manual of Surgery. 2008.

Fields RC, Avidan M. Chest Radiography. In: Avidan M (ed.). Intensive Care ICT: An illustrated colour

Fields RC, Avidan M. Bronchoscopy. In: Avidan M (ed.). Intensive Care ICT: An illustrated colour text.

Fields RC, Meyers BF. Management of the Organ Donor. In: Kolleff M (ed.). Washington University
Critical Care Manual: An Algorithmic Approach to Bedside Critical Care.

Parker W, Fields RC, Nakamura YC. Biophysical properties of xenoreactive natural antibodies. In: Platt J (ed.). Xenotransplantation: Basic Research and Clinical Applications. 2002;87-101.

Fields RC, Schoenecker JG, Cancel QV, Day J, Lawson JH. Surgical aspects of coagulation. In: Pappas T (ed.). Unbound Surgery. 2002.