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Ryan C. Fields, MD

Professor, Surgery
Division of General Surgery
Chief, Section of Surgical Oncology

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.

  • Location(s)
  • Education
  • Publication & Research

Location(s)

Location(s)

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

Less is more in the difficult gallbladder: recent evolution of subtotal cholecystectomy in a single HPB unit.
LeCompte MT, Robbins KJ, Williams GA, Sanford DE, Hammill CW, Fields RC, Hawkins WG, Strasberg SM
Surg Endosc. 2020 Jun 29; doi: 10.1007/s00464-020-07759-2.

PMID:
    32601763
    [PubMed - as supplied by publisher]
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The clonal evolution of metastatic colorectal cancer.
Dang HX, Krasnick BA, White BS, Grossman JG, Strand MS, Zhang J, Cabanski CR, Miller CA, Fulton RS, Goedegebuure SP, Fronick CC, Griffith M, Larson DE, Goetz BD, Walker JR, Hawkins WG, Strasberg SM, Linehan DC, Lim KH, Lockhart AC, Mardis ER, Wilson RK, Ley TJ, Maher CA, Fields RC
Sci Adv. 2020 Jun; 6(24)eaay9691. doi: 10.1126/sciadv.aay9691.

PMID:
    32577507
    [PubMed - in process]
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Feasibility and safety of non-operative management of portal vein aneurysms: a thirty-five year experience.
Ahmed O, Ohman JW, Vachharajani N, Yano M, Sanford DE, Hammill C, Fields RC, Hawkins WG, Strasberg SM, Doyle MB, Chapman WC, Khan AS
HPB (Oxford). 2020 Jun 16; pii: S1365-182X(20)31021-2. doi: 10.1016/j.hpb.2020.05.006.

PMID:
    32561177
    [PubMed - as supplied by publisher]
Related citations


Retroperitoneal sarcoma perioperative risk stratification: A United States Sarcoma Collaborative evaluation of the ACS-NSQIP risk calculator.
Schwartz PB, Stahl CC, Ethun C, Marka N, Poultsides GA, Roggin KK, Fields RC, Howard JH, Clarke CN, Votanopoulos KI, Cardona K, Abbott DE
J Surg Oncol. 2020 Jun 17; doi: 10.1002/jso.26071.

PMID:
    32557654
    [PubMed - as supplied by publisher]
Related citations


Multi-institutional Development and External Validation of a Nomogram Predicting Recurrence After Curative Liver Resection for Neuroendocrine Liver Metastasis.
Xiang JX, Zhang XF, Weiss M, Aldrighetti L, Poultsides GA, Bauer TW, Fields RC, Maithel SK, Marques HP, Pawlik TM
Ann Surg Oncol. 2020 May 20; doi: 10.1245/s10434-020-08620-5.

PMID:
    32436187
    [PubMed - as supplied by publisher]
Related citations


Long non-coding RNA RAMS11 promotes metastatic colorectal cancer progression.
Silva-Fisher JM, Dang HX, White NM, Strand MS, Krasnick BA, Rozycki EB, Jeffers GGL, Grossman JG, Highkin MK, Tang C, Cabanski CR, Eteleeb A, Mudd J, Goedegebuure SP, Luo J, Mardis ER, Wilson RK, Ley TJ, Lockhart AC, Fields RC, Maher CA
Nat Commun. 2020 May 1; 11(1)2156. doi: 10.1038/s41467-020-15547-8.

PMID:
    32358485
    [PubMed - in process]
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Correction to: Trends in the Number of Lymph Nodes Evaluated Among Patients with Pancreatic Neuroendocrine Tumors in the United States: A Multi-Institutional and National Database Analysis.
Sahara K, Tsilimigras DI, Mehta R, Moro A, Paredes AZ, Lopez-Aguiar AG, Rocha F, Kanji Z, Weber S, Fisher A, Fields RC, Krasnick BA, Idrees K, Smith PM, Poultsides GA, Makris E, Cho C, Beems M, Dillhoff M, Maithel SK, Endo I, Pawlik TM
Ann Surg Oncol. 2020 Apr 27; doi: 10.1245/s10434-020-08397-7.

PMID:
    32342296
    [PubMed - as supplied by publisher]
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The Human Tumor Atlas Network: Charting Tumor Transitions across Space and Time at Single-Cell Resolution.
Rozenblatt-Rosen O, Regev A, Oberdoerffer P, Nawy T, Hupalowska A, Rood JE, Ashenberg O, Cerami E, Coffey RJ, Demir E, Ding L, Esplin ED, Ford JM, Goecks J, Ghosh S, Gray JW, Guinney J, Hanlon SE, Hughes SK, Hwang ES, Iacobuzio-Donahue CA, Jané-Valbuena J, Johnson BE, Lau KS, Lively T, Mazzilli SA, Pe'er D, Santagata S, Shalek AK, Schapiro D, Snyder MP, Sorger PK, Spira AE, Srivastava S, Tan K, West RB, Williams EH, Human Tumor Atlas Network.
Cell. 2020 Apr 16; 181(2)236-249. doi: 10.1016/j.cell.2020.03.053.

PMID:
    32302568
    [PubMed - in process]
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Neoadjuvant radiation improves margin-negative resection rates in extremity sarcoma but not survival.
Shelby RD, Suarez-Kelly LP, Yu PY, Hughes TM, Ethun CG, Tran TB, Poultsides G, King DM, Bedi M, Mogal H, Clarke C, Tseng J, Roggin KK, Chouliaras K, Votanopoulos K, Krasnick BA, Fields RC, Pollock RE, Howard JH, Cardona K, Grignol V
J Surg Oncol. 2020 Jun; 121(8)1249-1258. doi: 10.1002/jso.25905.

PMID:
    32232871
    [PubMed - indexed for MEDLINE]
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Impact of Insurance Status on Survival in Gastroenteropancreatic Neuroendocrine Tumors.
Marincola Smith P, Baechle J, Tan MC, Solórzano CC, Lopez-Aguiar AG, Dillhoff M, Beal EW, Poultsides G, Cannon JGD, Rocha FG, Crown A, Cho CS, Beems M, Winslow ER, Rendell VR, Krasnick BA, Fields RC, Maithel SK, Bailey CE, Idrees K
Ann Surg Oncol. 2020 Mar 26; doi: 10.1245/s10434-020-08359-z.

PMID:
    32219725
    [PubMed - as supplied by publisher]
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Dendritic Cell Paucity Leads to Dysfunctional Immune Surveillance in Pancreatic Cancer.
Hegde S, Krisnawan VE, Herzog BH, Zuo C, Breden MA, Knolhoff BL, Hogg GD, Tang JP, Baer JM, Mpoy C, Lee KB, Alexander KA, Rogers BE, Murphy KM, Hawkins WG, Fields RC, DeSelm CJ, Schwarz JK, DeNardo DG
Cancer Cell. 2020 Mar 16; 37(3)289-307.e9. doi: 10.1016/j.ccell.2020.02.008.

PMID:
    32183949
    [PubMed - in process]
Related citations


PLR and NLR Are Poor Predictors of Survival Outcomes in Sarcomas: A New Perspective From the USSC.
Schwartz PB, Poultsides G, Roggin K, Howard JH, Fields RC, Clarke CN, Votanopoulos K, Cardona K, Winslow ER
J Surg Res. 2020 Jul; 251228-238. doi: 10.1016/j.jss.2020.01.008.

PMID:
    32172009
    [PubMed - in process]
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Is a Nomogram Able to Predict Postoperative Wound Complications in Localized Soft-tissue Sarcomas of the Extremity?
Bedi M, Ethun CG, Charlson J, Tran TB, Poultsides G, Grignol V, Howard JH, Tseng J, Roggin KK, Chouliaras K, Votanopoulos K, Cullinan D, Fields RC, Cardona K, King DM
Clin Orthop Relat Res. 2020 Mar; 478(3)550-559. doi: 10.1097/CORR.0000000000000959.

PMID:
    32168066
    [PubMed - in process]
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Outcomes of palliative-intent surgery in retroperitoneal sarcoma-Results from the US Sarcoma Collaborative.
Thalji SZ, Tsai S, Gamblin TC, Clarke C, Christians K, Charlson J, Ethun CG, Poultsides G, Grignol VP, Roggin KK, Votanopoulos K, Fields RC, Abbott DE, Cardona K, Mogal H, other members of the US Sarcoma Collaborative.
J Surg Oncol. 2020 Jun; 121(7)1140-1147. doi: 10.1002/jso.25890.

PMID:
    32167587
    [PubMed - indexed for MEDLINE]
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B cell-Derived IL35 Drives STAT3-Dependent CD8<sup>+</sup> T-cell Exclusion in Pancreatic Cancer.
Mirlekar B, Michaud D, Lee SJ, Kren NP, Harris C, Greene K, Goldman EC, Gupta GP, Fields RC, Hawkins WG, DeNardo DG, Rashid NU, Yeh JJ, McRee AJ, Vincent BG, Vignali DAA, Pylayeva-Gupta Y
Cancer Immunol Res. 2020 Mar; 8(3)292-308. doi: 10.1158/2326-6066.CIR-19-0349.

PMID:
    32024640
    [PubMed - in process]
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NCCN Guidelines Insights: Uveal Melanoma, Version 1.2019.
Rao PK, Barker C, Coit DG, Joseph RW, Materin M, Rengan R, Sosman J, Thompson JA, Albertini MR, Boland G, Carson Iii WE, Contreras C, Daniels GA, DiMaio D, Durham A, Fields RC, Fleming MD, Galan A, Gastman B, Grossman K, Guild V, Johnson D, Karakousis G, Lange JR, ScM., Margolin K, Nath S, Olszanski AJ, Ott PA, Ross MI, Salama AK, Skitzki J, Swetter SM, Wuthrick E, McMillian NR, Engh A
J Natl Compr Canc Netw. 2020 Feb; 18(2)120-131. doi: 10.6004/jnccn.2020.0007.

PMID:
    32023525
    [PubMed - in process]
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Evaluating the ACS-NSQIP Risk Calculator in Primary GI Neuroendocrine Tumor: Results from the United States Neuroendocrine Tumor Study Group.
Armstrong EA, Beal EW, Lopez-Aguiar AG, Poultsides G, Cannon JG, Rocha F, Crown A, Barrett J, Ronnkleiv-Kelly S, Fields RC, Krasnick BA, Idrees K, Smith PM, Nathan H, Beems MV, Maithel SK, Schmidt CR, Pawlik TM, Dillhoff M
Am Surg. 2019 Dec 1; 85(12)1334-1340.

PMID:
    31908214
    [PubMed - indexed for MEDLINE]
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Survival benefit of lymphadenectomy for gallbladder cancer based on the therapeutic index: An analysis of the US extrahepatic biliary malignancy consortium.
Sahara K, Tsilimigras DI, Maithel SK, Abbott DE, Poultsides GA, Hatzaras I, Fields RC, Weiss M, Scoggins C, Isom CA, Idrees K, Shen P, Endo I, Pawlik TM, and the US Extrahepatic Biliary Malignancy Consortium.
J Surg Oncol. 2020 Mar; 121(3)503-510. doi: 10.1002/jso.25825.

PMID:
    31907941
    [PubMed - indexed for MEDLINE]
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Composite Length of Stay, An Outcome Measure of Postoperative and Readmission Length of Stays in Pancreatoduodenectomy.
Williams GA, Liu J, Chapman WC, Hawkins WG, Fields RC, Sanford DE, Doyle MB, Hammill CW, Khan AS, Strasberg SM
J Gastrointest Surg. 2019 Dec 16; doi: 10.1007/s11605-019-04475-8.

PMID:
    31845140
    [PubMed - as supplied by publisher]
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Impact of perioperative blood transfusion on survival in pancreatic neuroendocrine tumor patients: analysis from the US Neuroendocrine Study Group.
Marincola Smith P, Baechle J, Solórzano CC, Tan M, Lopez-Aguiar AG, Dillhoff M, Beal E, Poultsides G, Cannon JGD, Rocha FG, Crown A, Cho C, Beems M, Winslow ER, Rendell VR, Krasnick BA, Fields RC, Maithel SK, Bailey CE, Idrees K
HPB (Oxford). 2019 Dec 2; pii: S1365-182X(19)33183-1. doi: 10.1016/j.hpb.2019.10.2441.

PMID:
    31806388
    [PubMed - as supplied by publisher]
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