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Robert Warren, M.D.

Gastrointestinal cancer surgeon

Dr. Robert S. Warren is a specialist in gastrointestinal and liver cancer. In his research, he focuses on the biology of colorectal cancer and how it spreads.

Warren earned a medical degree at the University of Minnesota, where he completed a general surgery residency. After completing an oncology research fellowship at Memorial Sloan-Kettering Cancer Center in New York, he was an associate physician at Rockefeller University in New York. A board-certified surgeon, he joined UCSF Medical Center in 1988. He is a professor of surgery at UCSF.

Clinics

Gastrointestinal Surgery and Oncology Clinic
1600 Divisadero St., Fourth Floor
San Francisco, CA 94143-1705
Phone: (415) 353-9888
Fax: (415) 353-9931

Hours: Monday to Friday
8 a.m. – 5 p.m.

Gastrointestinal Surgery at Parnassus
400 Parnassus Ave., Sixth Floor
San Francisco, CA 94143-0388
Phone: (415) 353-2161
Fax: (415) 353-2505

Hours: Monday to Friday
8 a.m. – 4:30 p.m.

Pancreas Center
1600 Divisadero St., Fourth Floor
San Francisco, CA 94143-1705
Phone (Pancreatic Cancer): (415) 353-9888
Fax: (415) 353-9931

Hours: Monday to Friday
8 a.m. — 5 p.m.

Conditions & Treatments

More about Robert Warren

Education

University of Minnesota School of Medicine 1980

Residencies

University of Minnesota Medical Center, Surgery 1988

Fellowships

Memorial Sloan-Kettering Cancer Center, New York, Surgical Oncology 1986

Selected Research and Publications

  1. Shiovitz S, Bertagnolli MM, Renfro LA, Nam E, Foster NR, Dzieciatkowski S, Luo Y, Lao VV, Monnat RJ, Emond MJ, Maizels N, Niedzwiecki D, Goldberg RM, Saltz LB, Venook A, Warren RS, Grady WM. CpG Island Methylator Phenotype Is Associated With Response to Adjuvant Irinotecan-Based Therapy for Stage III Colon Cancer. Gastroenterology. 2014 Sep; 147(3):637-45.
  2. Sinicrope FA, Mahoney MR, Smyrk TC, Thibodeau SN, Warren RS, Bertagnolli MM, Nelson GD, Goldberg RM, Sargent DJ, Alberts SR. Prognostic impact of deficient DNA mismatch repair in patients with stage III colon cancer from a randomized trial of FOLFOX-based adjuvant chemotherapy. J Clin Oncol. 2013 Oct 10; 31(29):3664-72.
  3. Warren RS, Atreya CE, Niedzwiecki D, Weinberg VK, Donner DB, Mayer RJ, Goldberg RM, Compton CC, Zuraek MB, Ye C, Saltz LB, Bertagnolli MM. Association of TP53 mutational status and gender with survival after adjuvant treatment for stage III colon cancer: results of CALGB 89803. Clin Cancer Res. 2013 Oct 15; 19(20):5777-87.
  4. Atreya CE, Sangale Z, Xu N, Matli MR, Tikishvili E, Welbourn W, Stone S, Shokat KM, Warren RS. PTEN expression is consistent in colorectal cancer primaries and metastases and associates with patient survival. Cancer Med. 2013 Aug; 2(4):496-506.
  5. Venook AP, Niedzwiecki D, Lopatin M, Ye X, Lee M, Friedman PN, Frankel W, Clark-Langone K, Millward C, Shak S, Goldberg RM, Mahmoud NN, Warren RS, Schilsky RL, Bertagnolli MM. Biologic determinants of tumor recurrence in stage II colon cancer: validation study of the 12-gene recurrence score in cancer and leukemia group B (CALGB) 9581. J Clin Oncol. 2013 May 10; 31(14):1775-81.
  6. LeBeau AM, Lee M, Murphy ST, Hann BC, Warren RS, Delos Santos R, Kurhanewicz J, Hanash SM, VanBrocklin HF, Craik CS. Imaging a functional tumorigenic biomarker in the transformed epithelium. Proc Natl Acad Sci U S A. 2013 Jan 2; 110(1):93-8.
  7. Parekh JR, Wang SC, Bergsland EK, Venook AP, Warren RS, Kim GE, Nakakura EK. Lymph node sampling rates and predictors of nodal metastasis in pancreatic neuroendocrine tumor resections: the UCSF experience with 149 patients. Pancreas. 2012 Aug; 41(6):840-4.
  8. Atreya CE, Ducker GS, Feldman ME, Bergsland EK, Warren RS, Shokat KM. Combination of ATP-competitive mammalian target of rapamycin inhibitors with standard chemotherapy for colorectal cancer. Invest New Drugs. 2012 Dec; 30(6):2219-25.
  9. Venook AP, Bendell JC, Warren RS. Is there currently an established role for the use of predictive or prognostic molecular markers in the management of colorectal cancer? A point/counterpoint. Am Soc Clin Oncol Educ Book. 2012; 193-200.
  10. Tseng WW, Wang SC, Eichler CM, Warren RS, Nakakura EK. Complete and safe resection of challenging retroperitoneal tumors: anticipation of multi-organ and major vascular resection and use of adjunct procedures. World J Surg Oncol. 2011; 9:143.
  11. Bertagnolli MM, Redston M, Compton CC, Niedzwiecki D, Mayer RJ, Goldberg RM, Colacchio TA, Saltz LB, Warren RS. Microsatellite instability and loss of heterozygosity at chromosomal location 18q: prospective evaluation of biomarkers for stages II and III colon cancer--a study of CALGB 9581 and 89803. J Clin Oncol. 2011 Aug 10; 29(23):3153-62.
  12. Niedzwiecki D, Bertagnolli MM, Warren RS, Compton CC, Kemeny NE, Benson AB, Eckhardt SG, Alberts S, Porjosh GN, Kerr DJ, Fields A, Rougier P, Pipas JM, Schwartz JH, Atkins J, O'Rourke M, Perry MC, Goldberg RM, Mayer RJ, Colacchio TA. Documenting the natural history of patients with resected stage II adenocarcinoma of the colon after random assignment to adjuvant treatment with edrecolomab or observation: results from CALGB 9581. J Clin Oncol. 2011 Aug 10; 29(23):3146-52.
  13. Lacher MD, Pincheira R, Zhu Z, Camoretti-Mercado B, Matli M, Warren RS, Castro AF. Rheb activates AMPK and reduces p27Kip1 levels in Tsc2-null cells via mTORC1-independent mechanisms: implications for cell proliferation and tumorigenesis. Oncogene. 2010 Dec 16; 29(50):6543-56.
  14. Tempero MA, Arnoletti JP, Behrman S, Ben-Josef E, Benson AB, Berlin JD, Cameron JL, Casper ES, Cohen SJ, Duff M, Ellenhorn JD, Hawkins WG, Hoffman JP, Kuvshinoff BW, Malafa MP, Muscarella P, Nakakura EK, Sasson AR, Thayer SP, Tyler DS, Warren RS, Whiting S, Willett C, Wolff RA. Pancreatic adenocarcinoma. J Natl Compr Canc Netw. 2010 Sep; 8(9):972-1017.
  15. Wang YC, Iezza G, Zuraek MB, Jablons DM, Theodore PR, Bergsland EK, Donner DB, Warren RS, Nakakura EK. Lack of NKX2.2 expression in bronchopulmonary typical carcinoid tumors: implications for patients with neuroendocrine tumor metastases and unknown primary site. J Surg Res. 2010 Sep; 163(1):47-51.
  16. Wang SC, Parekh JR, Zuraek MB, Venook AP, Bergsland EK, Warren RS, Nakakura EK. Identification of unknown primary tumors in patients with neuroendocrine liver metastases. Arch Surg. 2010 Mar; 145(3):276-80.
  17. Wang YC, Zuraek MB, Kosaka Y, Ota Y, German MS, Deneris ES, Bergsland EK, Donner DB, Warren RS, Nakakura EK. The ETS oncogene family transcription factor FEV identifies serotonin-producing cells in normal and neoplastic small intestine. Endocr Relat Cancer. 2010 Mar; 17(1):283-91.
  18. Bertagnolli MM, Warren RS, Niedzwiecki D, Mueller E, Compton CC, Redston M, Hall M, Hahn HP, Jewell SD, Mayer RJ, Goldberg RM, Saltz LB, Loda M. p27Kip1 in stage III colon cancer: implications for outcome following adjuvant chemotherapy in cancer and leukemia group B protocol 89803. Clin Cancer Res. 2009 Mar 15; 15(6):2116-22.
  19. Bertagnolli MM, Niedzwiecki D, Compton CC, Hahn HP, Hall M, Damas B, Jewell SD, Mayer RJ, Goldberg RM, Saltz LB, Warren RS, Redston M. Microsatellite instability predicts improved response to adjuvant therapy with irinotecan, fluorouracil, and leucovorin in stage III colon cancer: Cancer and Leukemia Group B Protocol 89803. J Clin Oncol. 2009 Apr 10; 27(11):1814-21.
  20. Ruan DT, Warren RS, Moalem J, Chung KW, Griffin AC, Shen W, Duh QY, Nakakura E, Donner DB, Khanafshar E, Weng J, Clark OH, Kebebew E. Mitogen-inducible gene-6 expression correlates with survival and is an independent predictor of recurrence in BRAF(V600E) positive papillary thyroid cancers. Surgery. 2008 Dec; 144(6):908-13; discussion 913-4.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.