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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

IL23 and TGF-ß diminish macrophage associated metastasis in pancreatic carcinoma.
Hussain SM, Reed LF, Krasnick BA, Miranda-Carboni G, Fields RC, Bi Y, Elahi A, Ajidahun A, Dickson PV, Deneve JL, Hawkins WG, Shibata D, Glazer ES
Sci Rep. 2018 Apr 11; 8(1)5808. doi: 10.1038/s41598-018-24194-5.

PMID:
    29643359
    [PubMed - in process]
Related citations


Driver Fusions and Their Implications in the Development and Treatment of Human Cancers.
Gao Q, Liang WW, Foltz SM, Mutharasu G, Jayasinghe RG, Cao S, Liao WW, Reynolds SM, Wyczalkowski MA, Yao L, Yu L, Sun SQ, Fusion Analysis Working Group., Cancer Genome Atlas Research Network., Chen K, Lazar AJ, Fields RC, Wendl MC, Van Tine BA, Vij R, Chen F, Nykter M, Shmulevich I, Ding L
Cell Rep. 2018 Apr 3; 23(1)227-238.e3. doi: 10.1016/j.celrep.2018.03.050.

PMID:
    29617662
    [PubMed - in process]
Related citations


Breast and pancreatic cancer interrupt IRF8-dependent dendritic cell development to overcome immune surveillance.
Meyer MA, Baer JM, Knolhoff BL, Nywening TM, Panni RZ, Su X, Weilbaecher KN, Hawkins WG, Ma C, Fields RC, Linehan DC, Challen GA, Faccio R, Aft RL, DeNardo DG
Nat Commun. 2018 Mar 28; 9(1)1250. doi: 10.1038/s41467-018-03600-6.

PMID:
    29593283
    [PubMed - in process]
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Accuracy of the ACS NSQIP Online Risk Calculator Depends on How You Look at It: Results from the United States Gastric Cancer Collaborative.
Beal EW, Saunders ND, Kearney JF, Lyon E, Wei L, Squires MH, Jin LX, Worhunsky DJ, Votanopoulos KI, Ejaz A, Poultsides G, Fields RC, Swords D, Acher AW, Weber SM, Maithel SK, Pawlik T, Schmidt CR
Am Surg. 2018 Mar 1; 84(3)358-364.

PMID:
    29559049
    [PubMed - indexed for MEDLINE]
Related citations


Utility of Endoscopic Ultrasound in Evaluating Local Recurrence After Surgery for Pancreatic Cancer.
Lang GD, Mullady DK, Early DS, Hollander T, Edmundowicz SA, Murad FM, Strasberg SM, Fields RC, Hawkins WG, Doyle MB, Chapman WC, Wang-Gillam A, Kushnir VM
Clin Gastroenterol Hepatol. 2018 Mar 2; pii: S1542-3565(18)30219-2. doi: 10.1016/j.cgh.2018.02.031.

PMID:
    29505906
    [PubMed - as supplied by publisher]
Related citations


The Impact of Intraoperative Re-Resection of a Positive Bile Duct Margin on Clinical Outcomes for Hilar Cholangiocarcinoma.
Zhang XF, Squires MH 3rd, Bagante F, Ethun CG, Salem A, Weber SM, Tran T, Poultsides G, Son AY, Hatzaras I, Jin L, Fields RC, Weiss M, Scoggins C, Martin RCG, Isom CA, Idrees K, Mogal HD, Shen P, Maithel SK, Schmidt CR, Pawlik TM
Ann Surg Oncol. 2018 May; 25(5)1140-1149. doi: 10.1245/s10434-018-6382-0.

PMID:
    29470820
    [PubMed - in process]
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The Hand-Assisted Laparoscopic Approach to Resection of Pancreatic Mucinous Cystic Neoplasms: An Underused Technique?
Postlewait LM, Ethun CG, McInnis MR, Merchant N, Parikh A, Idrees K, Isom CA, Hawkins W, Fields RC, Strand M, Weber SM, Cho CS, Salem A, Martin RCG, Scoggins C, Bentrem D, Kim HJ, Carr J, Ahmad S, Abbott D, Wilson GC, Kooby DA, Maithel SK
Am Surg. 2018 Jan 1; 84(1)56-62.

PMID:
    29428029
    [PubMed - indexed for MEDLINE]
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Defining Early Recurrence of Hilar Cholangiocarcinoma After Curative-intent Surgery: A Multi-institutional Study from the US Extrahepatic Biliary Malignancy Consortium.
Zhang XF, Beal EW, Chakedis J, Chen Q, Lv Y, Ethun CG, Salem A, Weber SM, Tran T, Poultsides G, Son AY, Hatzaras I, Jin L, Fields RC, Buettner S, Scoggins C, Martin RCG, Isom CA, Idrees K, Mogal HD, Shen P, Maithel SK, Schmidt CR, Pawlik TM
World J Surg. 2018 Feb 5; doi: 10.1007/s00268-018-4530-0.

PMID:
    29404753
    [PubMed - as supplied by publisher]
Related citations


Clinicopathologic score predicting lymph node metastasis in T1 gastric cancer.
Tran TB, Worhunsky DJ, Squires MH, Jin LX, Spolverato G, Votanopoulos KI, Weber SM, Schmidt C, Levine EA, Fields RC, Pawlik TM, Maithel SK, Norton JA, Poultsides GA
Surgery. 2018 Apr; 163(4)889-893. doi: 10.1016/j.surg.2017.09.021.

PMID:
    29398039
    [PubMed - in process]
Related citations


Optimal extent of surgical and pathologic lymph node evaluation for resected intrahepatic cholangiocarcinoma.
Brauer DG, Fields RC, Tan BR Jr., Doyle MBM, Hammill CW, Hawkins WG, Colditz GA, Chapman WC
HPB (Oxford). 2018 Jan 19; pii: S1365-182X(17)31164-4. doi: 10.1016/j.hpb.2017.11.010.

PMID:
    29370972
    [PubMed - as supplied by publisher]
Related citations


The impact of caudate lobe resection on margin status and outcomes in patients with hilar cholangiocarcinoma: a multi-institutional analysis from the US Extrahepatic Biliary Malignancy Consortium.
Bhutiani N, Scoggins CR, McMasters KM, Ethun CG, Poultsides GA, Pawlik TM, Weber SM, Schmidt CR, Fields RC, Idrees K, Hatzaras I, Shen P, Maithel SK, Martin RCG 2nd
Surgery. 2018 Apr; 163(4)726-731. doi: 10.1016/j.surg.2017.10.028.

PMID:
    29306541
    [PubMed - in process]
Related citations


Adjuvant therapy is associated with improved survival after curative resection for hilar cholangiocarcinoma: A multi-institution analysis from the U.S. extrahepatic biliary malignancy consortium.
Krasnick BA, Jin LX, Davidson JT 4th, Sanford DE, Ethun CG, Pawlik TM, Poultsides GA, Tran T, Idrees K, Hawkins WG, Chapman WC, Doyle MBM, Weber SM, Strasberg SM, Salem A, Martin RCG, Isom CA, Scoggins C, Schmidt CR, Shen P, Beal E, Hatzaras I, Shenoy R, Maithel SK, Fields RC
J Surg Oncol. 2018 Mar; 117(3)363-371. doi: 10.1002/jso.24836.

PMID:
    29284072
    [PubMed - indexed for MEDLINE]
Related citations


Metastatic melanoma after solid organ transplantation: An interdisciplinary, institution-based review of management with systemic and targeted therapies.
Tripathi SV, Morris CR, Alhamad T, Fields RC, Linette GP, Cornelius LA
J Am Acad Dermatol. 2018 Jan; 78(1)184-185. doi: 10.1016/j.jaad.2017.06.031.

PMID:
    29241778
    [PubMed - in process]
Related citations


Oncologic effects of preoperative biliary drainage in resectable hilar cholangiocarcinoma: Percutaneous biliary drainage has no adverse effects on survival.
Zhang XF, Beal EW, Merath K, Ethun CG, Salem A, Weber SM, Tran T, Poultsides G, Son AY, Hatzaras I, Jin L, Fields RC, Weiss M, Scoggins C, Martin RCG, Isom CA, Idrees K, Mogal HD, Shen P, Maithel SK, Schmidt CR, Pawlik TM
J Surg Oncol. 2017 Dec 4; doi: 10.1002/jso.24945.

PMID:
    29205351
    [PubMed - as supplied by publisher]
Related citations


Targeting both tumour-associated CXCR2<sup>+</sup> neutrophils and CCR2<sup>+</sup> macrophages disrupts myeloid recruitment and improves chemotherapeutic responses in pancreatic ductal adenocarcinoma.
Nywening TM, Belt BA, Cullinan DR, Panni RZ, Han BJ, Sanford DE, Jacobs RC, Ye J, Patel AA, Gillanders WE, Fields RC, DeNardo DG, Hawkins WG, Goedegebuure P, Linehan DC
Gut. 2017 Dec 1; pii: gutjnl-2017-313738. doi: 10.1136/gutjnl-2017-313738.

PMID:
    29196437
    [PubMed - as supplied by publisher]
Related citations


Outcomes after vascular resection during curative-intent resection for hilar cholangiocarcinoma: a multi-institution study from the US extrahepatic biliary malignancy consortium.
Schimizzi GV, Jin LX, Davidson JT 4th, Krasnick BA, Ethun CG, Pawlik TM, Poultsides G, Tran T, Idrees K, Isom CA, Weber SM, Salem A, Hawkins WG, Strasberg SM, Doyle MB, Chapman WC, Martin RCG, Scoggins C, Shen P, Mogal HD, Schmidt C, Beal E, Hatzaras I, Shenoy R, Maithel SK, Fields RC
HPB (Oxford). 2018 Apr; 20(4)332-339. doi: 10.1016/j.hpb.2017.10.003.

PMID:
    29169904
    [PubMed - in process]
Related citations


A Novel T-Stage Classification System for Adrenocortical Carcinoma: Proposal from the US Adrenocortical Carcinoma Study Group.
Poorman CE, Ethun CG, Postlewait LM, 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, Solórzano CC, Kiernan CM, Votanopoulos KI, Levine EA, Staley CA, Poultsides GA, Maithel SK
Ann Surg Oncol. 2018 Feb; 25(2)520-527. doi: 10.1245/s10434-017-6236-1.

PMID:
    29164414
    [PubMed - in process]
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Poor Reproducibility of Gallbladder Ejection Fraction by Biliary Scintigraphy for Diagnosis of Biliary Dyskinesia.
Rose JB, Fields RC, Strasberg SM
J Am Coll Surg. 2018 Feb; 226(2)155-159. doi: 10.1016/j.jamcollsurg.2017.10.025.

PMID:
    29157795
    [PubMed - in process]
Related citations


Prospective Evaluation of Pasireotide in Patients Undergoing Pancreaticoduodenectomy: The Washington University Experience.
Dominguez-Rosado I, Fields RC, Woolsey CA, Williams G, Horwedel TA, Rose JB, Hammill CW, Doyle MB, Chapman WC, Strasberg SM, Hawkins WG, Sanford DE
J Am Coll Surg. 2018 Feb; 226(2)147-154.e1. doi: 10.1016/j.jamcollsurg.2017.10.021.

PMID:
    29133263
    [PubMed - in process]
Related citations


Transplantation Versus Resection for Hilar Cholangiocarcinoma: An Argument for Shifting Treatment Paradigms for Resectable Disease.
Ethun CG, Lopez-Aguiar AG, Anderson DJ, Adams AB, Fields RC, Doyle MB, Chapman WC, Krasnick BA, Weber SM, Mezrich JD, Salem A, Pawlik TM, Poultsides G, Tran TB, Idrees K, Isom CA, Martin RCG, Scoggins CR, Shen P, Mogal HD, Schmidt C, Beal E, Hatzaras I, Shenoy R, Cardona K, Maithel SK
Ann Surg. 2018 May; 267(5)797-805. doi: 10.1097/SLA.0000000000002574.

PMID:
    29064885
    [PubMed - in process]
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