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Ryan C. Fields, MD

Associate Professor, Surgery
Division of General Surgery
Section of Hepatobiliary, Pancreatic and Gastrointestinal Surgery

Specialty Areas

Melanoma
Hepatobiliary Cancer
Sarcoma
Gastrointestinal Oncology
Liver Surgery
Pancreatic Cancer

Hospital Affiliations

Barnes-Jewish West County Hospital
Barnes-Jewish Hospital

Areas of Clinical Interest

Dr Fields specializes in surgical oncology, the surgical treatment of cancer including  tumors of the upper gastrointestinal tract, pancreatic cancer, liver tumors, primary liver tumor, metastatic liver tumor, gastric cancer, stomach cancer, GI stromal tumor, GIST, small bowel tumor,  neuroendocrine tumors, carcinoid tumors.  He has advanced training in surgical treatment of skin cancer, melanoma, Merkel cell carcinoma, basal cell, squamous cell cancer, sarcoma,  retroperitoneal sarcoma.  Also he treats patients with benign hepatobiliary disease, pancreatic conditions.  Dr. Fields also performs  isolated limb Infusion (ILI) and isolated limb perfusion (ILP) for advanced extremity melanoma and other skin/soft tissue malignancies.

  • Maps & Directions
  • Education
  • Publication & Research

Maps & Directions

Maps & Directions

Center for Advanced Medicine
Gastrointestinal Center

4921 Parkview Place
St. Louis, MO 63110

Suite: C
Floor: 8
Office Phone: 314-286-1694
Fax: 314-222-6255

Barnes-Jewish West County Hospital 
Siteman Cancer Center
Medical Building Two

10 Barnes West Drive
Creve Coeur, MO 63141
Phone: 314-747-7222

Office Phone: 314-286-1694

Education

Education

Fellowship (Research): Surgery and Immunology, Washington University School of Medicine, St. Louis, MO 2006
Medical School : Duke University School of Medicine, Durham, NC, 2003
Residency: General Surgery, Barnes-Jewish Hospital, St. Louis MO 2008
Chief Resident (Administrative): General Surgery, Barnes-Jewish Hospital, St. Louis MO 2009
Fellowship: Surgical Oncology, Memorial Sloan-Kettering Cancer Center, New York, NY 2011

Publication & Research

Publication & Research

Timing of disease occurrence and hepatic resection on long-term outcome of patients with neuroendocrine liver metastasis.
Zhang XF, Beal EW, Weiss M, Aldrighetti L, Poultsides GA, Bauer TW, Fields RC, Maithel SK, Marques HP, Pawlik TM
J Surg Oncol. 2017 Sep 20; doi: 10.1002/jso.24832.

PMID:
    28940257
    [PubMed - as supplied by publisher]
Related citations


Tissue-Resident Macrophages in Pancreatic Ductal Adenocarcinoma Originate from Embryonic Hematopoiesis and Promote Tumor Progression.
Zhu Y, Herndon JM, Sojka DK, Kim KW, Knolhoff BL, Zuo C, Cullinan DR, Luo J, Bearden AR, Lavine KJ, Yokoyama WM, Hawkins WG, Fields RC, Randolph GJ, DeNardo DG
Immunity. 2017 Sep 19; 47(3)597. doi: 10.1016/j.immuni.2017.08.018.

PMID:
    28930665
    [PubMed - in process]
Related citations


Surgical Site Infection Is Associated with Tumor Recurrence in Patients with Extrahepatic Biliary Malignancies.
Buettner S, Ethun CG, Poultsides G, Tran T, Idrees K, Isom CA, Weiss M, Fields RC, Krasnick B, Weber SM, Salem A, Martin RCG, Scoggins CR, Shen P, Mogal HD, Schmidt C, Beal E, Hatzaras I, Shenoy R, Koerkamp BG, Maithel SK, Pawlik TM
J Gastrointest Surg. 2017 Sep 14; doi: 10.1007/s11605-017-3571-2.

PMID:
    28913712
    [PubMed - as supplied by publisher]
Related citations


Evaluating the American College of Surgeons National Surgical Quality Improvement project risk calculator: results from the U.S. Extrahepatic Biliary Malignancy Consortium.
Beal EW, Lyon E, Kearney J, Wei L, Ethun CG, Black SM, Dillhoff M, Salem A, Weber SM, Tran TB, Poultsides G, Shenoy R, Hatzaras I, Krasnick B, Fields RC, Buttner S, Scoggins CR, Martin RCG, Isom CA, Idrees K, Mogal HD, Shen P, Maithel SK, Pawlik TM, Schmidt CR
HPB (Oxford). 2017 Sep 7; pii: S1365-182X(17)30882-1. doi: 10.1016/j.hpb.2017.08.009.

PMID:
    28890310
    [PubMed - as supplied by publisher]
Related citations


Gastrectomy for cancer: What are the benefits of a minimally invasive approach?
Strand MS, Strong VE, Fields RC, Boughey JC
Bull Am Coll Surg. 2017 Jul; 102(7)68-70.

PMID:
    28885793
    [PubMed - in process]
Related citations


Tissue-Resident Macrophages in Pancreatic Ductal Adenocarcinoma Originate from Embryonic Hematopoiesis and Promote Tumor Progression.
Zhu Y, Herndon JM, Sojka DK, Kim KW, Knolhoff BL, Zuo C, Cullinan DR, Luo J, Bearden AR, Lavine KJ, Yokoyama WM, Hawkins WG, Fields RC, Randolph GJ, DeNardo DG
Immunity. 2017 Aug 15; 47(2)323-338.e6. doi: 10.1016/j.immuni.2017.07.014.

PMID:
    28813661
    [PubMed - in process]
Related citations


Blood Transfusion and Survival for Resected Adrenocortical Carcinoma: A Study from the United States Adrenocortical Carcinoma Group.
Poorman CE, Postlewait LM, Ethun CG, Tran TB, Prescott JD, Pawlik TM, Wang TS, Glenn J, Hatzaras I, Shenoy R, Phay JE, Keplinger K, Fields RC, Jin LX, Weber SM, Salem A, Sicklick JK, Gad S, Yopp AC, Mansour JC, Duh QY, Seiser N, Solorzano CC, Kiernan CM, Votanopoulos KI, Levine EA, Staley CA, Poultsides GA, Maithel SK
Am Surg. 2017 Jul 1; 83(7)761-768.

PMID:
    28738949
    [PubMed - indexed for MEDLINE]
Related citations


Pathologic and Prognostic Implications of Incidental <i>versus</i> Nonincidental Gallbladder Cancer: A 10-Institution Study from the United States Extrahepatic Biliary Malignancy Consortium.
Ethun CG, Le N, Lopez-Aguiar AG, Pawlik TM, Poultsides G, Tran T, Idrees K, Isom CA, Fields RC, Krasnick BA, Weber SM, Salem A, Martin RCG, Scoggins CR, Shen P, Mogal HD, Schmidt C, Beal E, Hatzaras I, Shenoy R, Russell MC, Maithel SK
Am Surg. 2017 Jul 1; 83(7)679-686.

PMID:
    28738935
    [PubMed - indexed for MEDLINE]
Related citations


Early Recurrence of Neuroendocrine Liver Metastasis After Curative Hepatectomy: Risk Factors, Prognosis, and Treatment.
Zhang XF, Beal EW, Chakedis J, Lv Y, Bagante F, Aldrighetti L, Poultsides GA, Bauer TW, Fields RC, Maithel SK, Marques HP, Weiss M, Pawlik TM
J Gastrointest Surg. 2017 Jul 20; doi: 10.1007/s11605-017-3490-2.

PMID:
    28730354
    [PubMed - as supplied by publisher]
Related citations


Flange Gastroenterostomy Results in Reduction in Delayed Gastric Emptying after Standard Pancreaticoduodenectomy: A Prospective Cohort Study.
Khan AS, Williams G, Woolsey C, Liu J, Fields RC, Doyle MMB, Hawkins WG, Strasberg SM
J Am Coll Surg. 2017 Jul 4; pii: S1072-7515(17)30565-3. doi: 10.1016/j.jamcollsurg.2017.06.006.

PMID:
    28687510
    [PubMed - as supplied by publisher]
Related citations


The impact of extrahepatic disease among patients undergoing liver-directed therapy for neuroendocrine liver metastasis.
Ejaz A, Reames BN, Maithel S, Poultsides GA, Bauer TW, Fields RC, Weiss M, Marques HP, Aldrighetti L, Pawlik TM
J Surg Oncol. 2017 Jun 26; doi: 10.1002/jso.24727.

PMID:
    28650564
    [PubMed - as supplied by publisher]
Related citations


Presentation of a Rare Cystic Mass.
Bill JG, Jalaly J, Fields RC
Gastroenterology. 2017 Jul; 153(1)e14-e15. doi: 10.1053/j.gastro.2016.11.016.

PMID:
    28583835
    [PubMed - in process]
Related citations


Impact of lymph node ratio in selecting patients with resected gastric cancer for adjuvant therapy.
Kim Y, Squires MH, Poultsides GA, Fields RC, Weber SM, Votanopoulos KI, Kooby DA, Worhunsky DJ, Jin LX, Hawkins WG, Acher AW, Cho CS, Saunders N, Levine EA, Schmidt CR, Maithel SK, Pawlik TM
Surgery. 2017 Aug; 162(2)285-294. doi: 10.1016/j.surg.2017.03.023.

PMID:
    28578142
    [PubMed - indexed for MEDLINE]
Related citations


Survival after resection of perihilar cholangiocarcinoma in patients with lymph node metastases.
Buettner S, van Vugt JLA, Gaspersz MP, Coelen RJS, Roos E, Labeur TA, Margonis GA, Ethun CG, Maithel SK, Poultsides G, Tran T, Idrees K, Isom CA, Fields RC, Krasnick BA, Weber SM, Salem A, Martin RCG, Scoggins CR, Shen P, Mogal HD, Schmidt C, Beal E, Hatzaras I, Shenoy R, IJzermans JNM, van Gulik TM, Pawlik TM, Groot Koerkamp B
HPB (Oxford). 2017 Aug; 19(8)735-740. doi: 10.1016/j.hpb.2017.04.014.

PMID:
    28549744
    [PubMed - in process]
Related citations


Management and outcomes of patients with recurrent neuroendocrine liver metastasis after curative surgery: An international multi-institutional analysis.
Spolverato G, Bagante F, Aldrighetti L, Poultsides GA, Bauer TW, Fields RC, Maithel SK, Marques HP, Weiss M, Pawlik TM
J Surg Oncol. 2017 Sep; 116(3)298-306. doi: 10.1002/jso.24670.

PMID:
    28513896
    [PubMed - indexed for MEDLINE]
Related citations


Gallbladder Cancer Presenting with Jaundice: Uniformly Fatal or Still Potentially Curable?
Tran TB, Norton JA, Ethun CG, Pawlik TM, Buettner S, Schmidt C, Beal EW, Hawkins WG, Fields RC, Krasnick BA, Weber SM, Salem A, Martin RCG, Scoggins CR, Shen P, Mogal HD, Idrees K, Isom CA, Hatzaras I, Shenoy R, Maithel SK, Poultsides GA
J Gastrointest Surg. 2017 Aug; 21(8)1245-1253. doi: 10.1007/s11605-017-3440-z.

PMID:
    28497252
    [PubMed - in process]
Related citations


Tumor Budding in Intestinal Type Gastric Adenocarcinoma is Associated with Nodal Metastasis and Recurrence.
Olsen S, Linda J, Fields RC, Yan Y, Nalbantoglu I
Hum Pathol. 2017 Apr 17; pii: S0046-8177(17)30106-5. doi: 10.1016/j.humpath.2017.03.021.

PMID:
    28428104
    [PubMed - as supplied by publisher]
Related citations


Genetics of Gastric Cancer.
Strand MS, Lockhart AC, Fields RC
Surg Clin North Am. 2017 Apr; 97(2)345-370. doi: 10.1016/j.suc.2016.11.009.

PMID:
    28325191
    [PubMed - indexed for MEDLINE]
Related citations


A Multi-Institutional Study Comparing the Use of the American Joint Committee on Cancer 7th Edition Esophageal <i>versus</i> Gastric Staging System for Gastroesophageal Junction Cancer in a Western Population.
Adeshuko FA, Squires MH, Poultsides G, Pawlik TM, Weber SM, Schmidt C, Votanopoulos K, Fields RC, Maithel SK, Cardona K
Am Surg. 2017 Jan 1; 83(1)82-89.

PMID:
    28234131
    [PubMed - indexed for MEDLINE]
Related citations


Routine port-site excision in incidentally discovered gallbladder cancer is not associated with improved survival: A multi-institution analysis from the US Extrahepatic Biliary Malignancy Consortium.
Ethun CG, Postlewait LM, Le N, Pawlik TM, Poultsides G, Tran T, Idrees K, Isom CA, Fields RC, Krasnick BA, Weber SM, Salem A, Martin RCG, Scoggins CR, Shen P, Mogal HD, Schmidt C, Beal E, Hatzaras I, Shenoy R, Cardona K, Maithel SK
J Surg Oncol. 2017 Jun; 115(7)805-811. doi: 10.1002/jso.24591.

PMID:
    28230242
    [PubMed - indexed for MEDLINE]
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