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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

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 Jun 12; pii: S1072-7515(18)30393-4. doi: 10.1016/j.jamcollsurg.2018.05.009.

PMID:
    29906615
    [PubMed - as supplied by publisher]
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 May 14; doi: 10.1002/jso.25086.

PMID:
    29761515
    [PubMed - as supplied by publisher]
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]
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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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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]
Related citations


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]
Related citations


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 May; 20(5)470-476. doi: 10.1016/j.hpb.2017.11.010.

PMID:
    29370972
    [PubMed - in process]
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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]
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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 - indexed for MEDLINE]
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. 2018 May; 117(6)1267-1277. doi: 10.1002/jso.24945.

PMID:
    29205351
    [PubMed - in process]
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