Department of Surgery
University of Wisconsin School of Medicine and Public Health

Specialties

Cristina B. Sanger, MD, FACS

Associate Professor

  • Division of Colorectal Surgery 

geltzeiler@surgery.wisc.edu
(608) 263-4224

  • Administrative Assistant: (608) 263-4224

600 Highland Ave
K3/704
Madison, WI 53792

Education

  • MD, Medical University of South Carolina
  • General Surgery Residency, Oregon Health and Science University
  • Colon and Rectal Surgery Fellowship, Washington University, Barnes-Jewish Hospital

Honors

Avant-Garde Health GI Surgery Research All-Stars (2024)

Clinical Specialties

Dr. Sanger is a fellowship-trained colon and rectal surgeon. She has expertise in the treatment of diseases of the colon, rectum and anus. She treats benign and malignant conditions including colon cancer, rectal cancer, Crohn’s disease, ulcerative colitis, diverticulitis and anorectal conditions. Her practice includes minimally invasive surgical techniques including laparoscopy and transanal minimally invasive surgery.

Recent Publications

  • Subclonal response heterogeneity to define cancer organoid therapeutic sensitivity.
    Kratz JD, Rehman S, Johnson KA, Gillette AA, Sunil A, Favreau PF, Pasch CA, Miller D, Zarling LC, Yeung AH, Clipson L, Anderson SJ, Steimle AK, Sprackling CM, Lemmon KK, Abbott DE, Burkard ME, Bassetti MF, Eickhoff JC, Foley EF, Heise CP, Kimple RJ, Lawson EH, LoConte NK, Lubner SJ, Mulkerin DL, Matkowskyj KA, Sanger CB, Uboha NV, Mcilwain SJ, Ong IM, Carchman EH, Skala MC, Deming DA
    Sci Rep 2025 Apr 09; 15(1): 12072
    [PubMed ID: 40200028]

  • National Analysis of More Than 48,000 Veterans With HIV Demonstrates CD4/CD8 Ratio as a Risk Marker for Anal Intraepithelial Lesions and Anal Cancer.
    Hewitt AJ, Freeman MJ, Leverson GE, Bailey HH, Carchman EH, Striker R, Sanger CB
    Dis Colon Rectum 2025 Apr 01; 68(4): 399-407
    [PubMed ID: 39745282]

  • Anal cancer prevention: A field in need of scientific Advancement.
    Carchman E, Sanger CB
    Virology 2025 Jan; 602: 110323
    [PubMed ID: 39622097]

  • Access to High-Resolution Anoscopy and Colorectal Surgery Support Identified as Important Facilitators to Successful Veterans Affairs Anal Cancer Screening Programs.
    Hewitt AJ, Cherney Stafford L, Alagoz E, Sanger CB
    Dis Colon Rectum 2025 Feb 01; 68(2): 172-179
    [PubMed ID: 39787441]

  • Carboplatin and Paclitaxel Chemoradiation for Localized Anal Cancer in Patients Not Eligible for Mitomycin and 5-Fluorouracil.
    DeZeeuw AK, Bassetti MF, Carchman EH, Heise CP, Hayden D, Lawson EH, Sanger CB, King R, LoConte NK, Lubner SJ, Kratz JD, Deming DA
    Cancers (Basel) 2024 Sep 03; 16(17)
    [PubMed ID: 39272920]

All Publications on PubMed