FollowMyHealth Patient Portal

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

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 Jan 3; pii: S0039-6060(17)30762-6. doi: 10.1016/j.surg.2017.10.028.

PMID:
    29306541
    [PubMed - as supplied by publisher]
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. 2017 Dec 28; doi: 10.1002/jso.24836.

PMID:
    29284072
    [PubMed - as supplied by publisher]
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). 2017 Nov 20; pii: S1365-182X(17)31090-0. doi: 10.1016/j.hpb.2017.10.003.

PMID:
    29169904
    [PubMed - as supplied by publisher]
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]
Related citations


Poor Reproducibility of Gallbladder Ejection Fraction by Biliary Scintigraphy for Diagnosis of Biliary Dyskinesia.
Rose JB, Fields RC, Strasberg SM
J Am Coll Surg. 2017 Nov 17; pii: S1072-7515(17)32080-X. doi: 10.1016/j.jamcollsurg.2017.10.025.

PMID:
    29157795
    [PubMed - as supplied by publisher]
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. 2017 Nov 11; pii: S1072-7515(17)32066-5. doi: 10.1016/j.jamcollsurg.2017.10.021.

PMID:
    29133263
    [PubMed - as supplied by publisher]
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. 2017 Oct 23; doi: 10.1097/SLA.0000000000002574.

PMID:
    29064885
    [PubMed - as supplied by publisher]
Related citations


Surgeon Variation in Intraoperative Supply Cost for Pancreaticoduodenectomy: Is Intraoperative Supply Cost Associated with Outcomes?
Brauer DG, Ohman KA, Jaques DP, Woolsey CA, Wu N, Liu J, Doyle MBM, Fields RC, Chapman WC, Strasberg SM, Hawkins WG
J Am Coll Surg. 2018 Jan; 226(1)37-45.e1. doi: 10.1016/j.jamcollsurg.2017.10.007.

PMID:
    29056314
    [PubMed - in process]
Related citations


The Effects of Travel Burden on Outcomes After Resection of Extrahepatic Biliary Malignancies: Results from the US Extrahepatic Biliary Consortium.
O'Connor SC, Mogal H, Russell G, Ethun C, Fields RC, Jin L, Hatzaras I, Vitiello G, Idrees K, Isom CA, Martin R, Scoggins C, Pawlik TM, Schmidt C, Poultsides G, Tran TB, Weber S, Salem A, Maithel S, Shen P
J Gastrointest Surg. 2017 Dec; 21(12)2016-2024. doi: 10.1007/s11605-017-3537-4.

PMID:
    28986752
    [PubMed - in process]
Related citations


Cytoreductive debulking surgery among patients with neuroendocrine liver metastasis: a multi-institutional analysis.
Ejaz A, Reames BN, Maithel S, Poultsides GA, Bauer TW, Fields RC, Weiss MJ, Marques HP, Aldrighetti L, Pawlik TM
HPB (Oxford). 2017 Sep 27; pii: S1365-182X(17)30954-1. doi: 10.1016/j.hpb.2017.08.039.

PMID:
    28964630
    [PubMed - as supplied by publisher]
Related citations


Predictors and Prognostic Implications of Perioperative Chemotherapy Completion in Gastric Cancer.
Karagkounis G, Squires MH 3rd, Melis M, Poultsides GA, Worhunsky D, Jin LX, Fields RC, Spolverato G, Pawlik TM, Votanopoulos KI, Levine EA, Schmidt C, Bloomston M, Cho CS, Weber S, Masi A, Berman R, Pachter HL, Staley CA, Newman E, Maithel SK, Hatzaras I
J Gastrointest Surg. 2017 Dec; 21(12)1984-1992. doi: 10.1007/s11605-017-3594-8.

PMID:
    28963709
    [PubMed - in process]
Related citations


ClonEvol: clonal ordering and visualization in cancer sequencing.
Dang HX, White BS, Foltz SM, Miller CA, Luo J, Fields RC, Maher CA
Ann Oncol. 2017 Dec 1; 28(12)3076-3082. doi: 10.1093/annonc/mdx517.

PMID:
    28950321
    [PubMed - in process]
Related citations


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 Nov; 21(11)1813-1820. doi: 10.1007/s11605-017-3571-2.

PMID:
    28913712
    [PubMed - in process]
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 Dec; 19(12)1104-1111. doi: 10.1016/j.hpb.2017.08.009.

PMID:
    28890310
    [PubMed - in process]
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 - indexed for MEDLINE]
Related citations