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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

Actual 5-Year Survivors After Surgical Resection of Hilar Cholangiocarcinoma.
Tran TB, Ethun CG, Pawlik TM, Schmidt C, Beal EW, Fields RC, Krasnick B, Weber SM, Salem A, Martin RCG, Scoggins CR, Shen P, Mogal HD, Idrees K, Isom CA, Hatzaras I, Shenoy R, Maithel SK, Poultsides GA
Ann Surg Oncol. 2018 Dec 11; doi: 10.1245/s10434-018-7075-4.

PMID:
    30539494
    [PubMed - as supplied by publisher]
Related citations


Outcomes of Elderly Patients Undergoing Curative Resection for Retroperitoneal Sarcomas: Analysis From the US Sarcoma Collaborative.
Wilkinson KH, Ethun CG, Hembrook M, Bedi M, Charlson J, Mogal H, Tsai S, Christians K, Tran TB, Poultsides G, Grignol V, Howard JH, Tseng J, Roggin KK, Chouliaras K, Votanopoulos K, Cullinan D, Fields RC, Weber S, Gamblin TC, Cardona K, Clarke CN
J Surg Res. 2019 Jan; 233154-162. doi: 10.1016/j.jss.2018.07.050.

PMID:
    30502242
    [PubMed - in process]
Related citations


The impact of failure to achieve symptom control after resection of functional neuroendocrine tumors: An 8-institution study from the US Neuroendocrine Tumor Study Group.
Zaidi MY, Lopez-Aguiar AG, Poultsides GA, Dillhoff M, Rocha FG, Idrees K, Nathan H, Winslow ER, Fields RC, Cardona K, Maithel SK, and other members of the US Neuroendocrine Tumor Study Group.
J Surg Oncol. 2019 Jan; 119(1)5-11. doi: 10.1002/jso.25306.

PMID:
    30481383
    [PubMed - in process]
Related citations


Tumor-on-a-chip platform to investigate progression and drug sensitivity in cell lines and patient-derived organoids.
Shirure VS, Bi Y, Curtis MB, Lezia A, Goedegebuure MM, Goedegebuure SP, Aft R, Fields RC, George SC
Lab Chip. 2018 Dec 7; 18(23)3687-3702. doi: 10.1039/c8lc00596f.

PMID:
    30393802
    [PubMed - in process]
Related citations


Prognostic Role of Lymph Node Positivity and Number of Lymph Nodes Needed for Accurately Staging Small Bowel Neuroendocrine Tumors.
Zaidi MY, Lopez-Aguiar AG, Dillhoff M, Beal E, Poultsides G, Makris E, Rocha F, Crown A, Idrees K, Marincola Smith P, Nathan H, Beems M, Abbott D, Barrett JR, Fields RC, Davidson J, Cardona K, Maithel SK
JAMA Surg. 2018 Oct 31; doi: 10.1001/jamasurg.2018.3865.

PMID:
    30383112
    [PubMed - as supplied by publisher]
Related citations


Influence of carcinoid syndrome on the clinical characteristics and outcomes of patients with gastroenteropancreatic neuroendocrine tumors undergoing operative resection.
Kimbrough CW, Beal EW, Dillhoff ME, Schmidt CR, Pawlik TM, Lopez-Aguiar AG, Poultsides G, Makris E, Rocha FG, Crown A, Abbott DE, Fisher AV, Fields RC, Krasnick BA, Idrees K, Marincola-Smith P, Cho CS, Beems M, Maithel SK, Cloyd JM
Surgery. 2018 Oct 27; pii: S0039-6060(18)30652-4. doi: 10.1016/j.surg.2018.09.008.

PMID:
    30377003
    [PubMed - as supplied by publisher]
Related citations


The prognostic significance of adrenocortical carcinomas identified incidentally.
Rossfeld KK, Maithel SK, Prescott J, Wang TS, Fields RC, Weber SM, Sicklick JK, Yopp AC, Duh QY, Solorzano CC, Votanopoulos KI, Hatzaras I, Poultsides GA, Shirley LA, and the U.S. Adrenocortical Carcinoma Study Group.
J Surg Oncol. 2018 Dec; 118(7)1155-1162. doi: 10.1002/jso.25274.

PMID:
    30332514
    [PubMed - indexed for MEDLINE]
Related citations


Perioperative chemotherapy is not associated with improved survival in high-grade truncal sarcoma.
Yu PY, Beal EW, Hughes TM, Suarez-Kelly LP, Shelby RD, Ethun CG, Tran TB, Poultsides G, Charlson J, Gamblin TC, Tseng J, Roggin KK, Chouliaras K, Votanopoulos K, Krasnick BA, Fields RC, Pollock RE, Grignol V, Cardona K, Howard JH
J Surg Res. 2018 Nov; 231248-256. doi: 10.1016/j.jss.2018.05.030.

PMID:
    30278937
    [PubMed - in process]
Related citations


A novel, simplified, externally validated staging system for truncal/extremity soft tissue sarcomas: An analysis of the US Sarcoma Collaborative database.
Johnson AC, Ethun CG, Liu Y, Poultsides G, Howard JH, Bedi M, Charlson J, Tseng J, Roggin KK, Votanopoulos K, Cullinan D, Fields RC, Maithel SK, Cardona K, and other members of the US Sarcoma Collaborative.
J Surg Oncol. 2018 Dec; 118(7)1135-1141. doi: 10.1002/jso.25239.

PMID:
    30261111
    [PubMed - indexed for MEDLINE]
Related citations


Early recurrence of well-differentiated (G1) neuroendocrine liver metastasis after curative-intent surgery: Risk factors and outcome.
Xiang JX, Zhang XF, Weiss M, Aldrighetti L, Poultsides GA, Bauer TW, Fields RC, Maithel SK, Marques HP, Pawlik TM
J Surg Oncol. 2018 Dec; 118(7)1096-1104. doi: 10.1002/jso.25246.

PMID:
    30261105
    [PubMed - indexed for MEDLINE]
Related citations


Recruitment of CCR2<sup>+</sup> tumor associated macrophage to sites of liver metastasis confers a poor prognosis in human colorectal cancer.
Grossman JG, Nywening TM, Belt BA, Panni RZ, Krasnick BA, DeNardo DG, Hawkins WG, Goedegebuure SP, Linehan DC, Fields RC
Oncoimmunology. 2018; 7(9)e1470729. doi: 10.1080/2162402X.2018.1470729.

PMID:
    30228938
    [PubMed]
Related citations


Hepatic Resection for Non-functional Neuroendocrine Liver Metastasis: Does the Presence of Unresected Primary Tumor or Extrahepatic Metastatic Disease Matter?
Xiang JX, Zhang XF, Beal EW, Weiss M, Aldrighetti L, Poultsides GA, Bauer TW, Fields RC, Maithel SK, Marques HP, Pawlik TM
Ann Surg Oncol. 2018 Sep 14; doi: 10.1245/s10434-018-6751-8.

PMID:
    30218247
    [PubMed - as supplied by publisher]
Related citations


The Impact of Extent of Liver Resection Among Patients with Neuroendocrine Liver Metastasis: an International Multi-institutional Study.
Sham JG, Ejaz A, Gage MM, Bagante F, Reames BN, Maithel S, Poultsides GA, Bauer TW, Fields RC, Weiss MJ, Marques HP, Aldrighetti L, Pawlik TM, He J
J Gastrointest Surg. 2018 Jul 6; doi: 10.1007/s11605-018-3862-2.

PMID:
    29980977
    [PubMed - as supplied by publisher]
Related citations


Studying a Rare Disease Using Multi-Institutional Research Collaborations vs Big Data: Where Lies the Truth?
Johnson AC, Ethun CG, Liu Y, Lopez-Aguiar AG, Tran TB, Poultsides G, Grignol V, Howard JH, Bedi M, Gamblin TC, Tseng J, Roggin KK, Chouliaras K, Votanopoulos K, Cullinan D, Fields RC, Delman KA, Wood WC, Cardona K, Maithel SK
J Am Coll Surg. 2018 Sep; 227(3)357-366.e3. doi: 10.1016/j.jamcollsurg.2018.05.009.

PMID:
    29906615
    [PubMed - in process]
Related citations


Health-related quality of life in patients with malignant melanoma by stage and treatment status.
Rosenberg AR, Weston SJ, Deshields T, Fields RC, Linette GP, Cornelius LA, Semenov YR
J Am Acad Dermatol. 2018 Jun 12; pii: S0190-9622(18)32068-1. doi: 10.1016/j.jaad.2018.06.007.

PMID:
    29906543
    [PubMed - as supplied by publisher]
Related citations


Role of Additional Organ Resection in Adrenocortical Carcinoma: Analysis of 167 Patients from the U.S. Adrenocortical Carcinoma Database.
Marincola Smith P, Kiernan CM, Tran TB, Postlewait LM, Maithel SK, Prescott J, Pawlik T, Wang TS, Glenn J, Hatzaras I, Shenoy R, Phay J, Shirley LA, Fields RC, Jin L, Weber S, Salem A, Sicklick J, Gad S, Yopp A, Mansour J, Duh QY, Seiser N, Votanopoulos K, Levine EA, Poultsides G, Solórzano CC
Ann Surg Oncol. 2018 Aug; 25(8)2308-2315. doi: 10.1245/s10434-018-6546-y.

PMID:
    29868977
    [PubMed - in process]
Related citations


The importance of early recognition in management of ERCP-related perforations.
Bill JG, Smith Z, Brancheck J, Elsner J, Hobbs P, Lang GD, Early DS, Das K, Hollander T, Doyle MBM, Fields RC, Hawkins WG, Strasberg SM, Hammill C, Chapman WC, Edmundowicz S, Mullady DK, Kushnir VM
Surg Endosc. 2018 May 16; doi: 10.1007/s00464-018-6235-8.

PMID:
    29770887
    [PubMed - as supplied by publisher]
Related citations


Association of perioperative transfusion with survival and recurrence after resection of gallbladder cancer: A 10-institution study from the US Extrahepatic Biliary Malignancy Consortium.
Lopez-Aguiar AG, Ethun CG, McInnis MR, 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 EW, Hatzaras I, Shenoy R, Cardona K, Maithel SK
J Surg Oncol. 2018 Jun; 117(8)1638-1647. doi: 10.1002/jso.25086.

PMID:
    29761515
    [PubMed - indexed for MEDLINE]
Related citations


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]
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