Cheryl A Ewing MD
Breast, Surgical Oncology (Other than Breast)
Associate Professor, Surgery, UCSF School of Medicine
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1600 Divisadero StSan Francisco, CA 94143
Phone+1 415-353-7111
Fax+1 415-353-7021
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Education & Training
University of ChicagoFellowship, Hematology and Medical Oncology, 1988 - 1989
Trinity Health Ann Arbor HospitalResidency, Surgery, 1983 - 1988
Wayne State University School of MedicineClass of 1983
Certifications & Licensure
CA State Medical License 2001 - 2027
NM State Medical License 1996 - 2009
MI State Medical License 1985 - 1998
IL State Medical License 1990 - 1996
American Board of Surgery Surgery
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2014-2017
- CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2014-2017
- CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory EHR Suite, Epic Systems Corporation, 2014-2017
Clinical Trials
- Tamoxifen or Letrozole in Treating Women With Ductal Carcinoma in Situ Start of enrollment: 2002 Feb 19
Publications & Presentations
PubMed
- FNA biopsy of breast specimens effectively harvests cells for patient-derived organoids modeling ductal carcinoma in situ.Julia Ye, Nadine Goldhammer, Poonam Vohra, Shruti Warhadpande, George C de Castro
Cancer Cytopathology. 2025-11-01 - Disparities in the Surgical Management of the Axilla by Self-Identified Race in the Multicenter Neoadjuvant I-SPY2 Trial.Mandeep Kaur, Katrina Dimitroff, Judy C Boughey, Laura J Esserman, Christina Yau
Annals of Surgical Oncology. 2025-10-01 - Socioeconomic status impacts tumor biology, treatment, and outcomes in over 200,000 patients with invasive lobular carcinoma of the breast: an analysis of the National...Mandeep Kaur, Astrid Quirarte, Amy M Shui, Anna Vertido, Elle Clelland
Breast Cancer Research and Treatment. 2025-08-01
Journal Articles
- Breast Conservation and Negative Margins in Invasive Lobular Carcinoma: The Impact of Oncoplastic Surgery and Shave Margins in 358 PatientsMerisa Piper, Jasmine Wong, Hani Sbitany, Cheryl Ewing, Michael Alvarado, Laura Esserman, Robert Foster, Annals of Surgical Oncology
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