Surgical oncologists at WashU Medicine use the latest advances to identify and treat cancer, endocrine problems and breast disease.
Our surgeons provide the highest quality of cancer care in a compassionate, patient-centered environment.
We are among the most experienced in the country at treating thyroid, parathyroid and other endocrine disorders. Our experts offer minimally invasive treatment options that can reduce recovery times and get people back to living their lives. We work as part of a comprehensive cancer team, ensuring that you receive all the care you need.

Top hospitals in Missouri

Expert physicians

personalized care
Call us for an appointment: 314-362-2280
Our expertise
Whether you seek treatment for breast cancer, have a thyroid condition or need help with a possible melanoma, we offer specialized care from providers who are leaders in their fields.
- Breast cancer
- Breast cysts
- Endocrine surgery
- Medullary thyroid carcinoma
- Melanoma
- Multiple endocrine neoplasia (MEN) syndromes
- Sarcoma
- Thyroid disorders
Why choose us for cancer care
- We are consistently recognized as the top hospitals in St. Louis and Missouri, and among the top hospitals in the country, according to U.S. News & World Report’s Best Hospitals rankings.
- We are part of a team of expert WashU Medicine physicians, providing care across all specialties.
- We perform clinical trials and scientific research, giving you access to the latest knowledge and techniques.


Among the nation’s best
Cancer care at WashU Medicine and Barnes-Jewish Hospital is consistently ranked among the nation’s best. We provide care at Siteman Cancer Center, which has received the highest possible rating from the National Cancer Institute. Our surgeons see patients at convenient Siteman locations across the St. Louis area.
Our locations
Our team

Rebecca L. Aft, MD, PHD
Jeffrey F. Moley Professor in Endocrine and Oncologic Surgery
- Phone: 314-362-2280
- New Patient Appointments: 314-362-2280 or click here to request a new appointment online.
- Current Patients & Administrative: 314-362-2280

Taylor C. Brown, MD, MHS, FACS
Assistant Professor, Surgery
Division of General Surgery
Section of Surgical Oncology
- Phone: 314-362-2280
- New Patient Appointments: 314-362-2280 or click here to request a new appointment online.
- Current Patients & Administrative: 314-362-2280

William E. Gillanders, MD
Mary Culver Professor of Surgery
Section of Surgical Oncology
Division of General Surgery
- Phone: 314-362-2280
- New Patient Appointments: 314-362-2280 or click here to request a new appointment online.
- Current Patients & Administrative: 314-362-2280

Katherine L. Glover-Collins, MD, PhD
Assistant Professor of Surgery
Section of Surgical Oncology
Division of General Surgery
- Phone: 314-362-2280
- New Patient Appointments: 314-362-2280 or click here to request a new appointment online.
- Current Patients & Administrative: 314-362-2280

Natasha Leigh, MD
Assistant Professor of Surgery
Section of Surgical Oncology
Division of General Surgery

Julie A. Margenthaler, MD, FACS
Professor of Surgery
Section of Surgical Oncology
Division of General Surgery
Program Director of Breast Oncology Fellowship
- Phone: 314-362-2280
- New Patient Appointments: 314-362-2280 or click here to request a new appointment online.
- Current Patients & Administrative: 314-362-2280

Vaccine shows promise against aggressive breast cancer
Innovation
We are hopeful that we will be able to bring more and more of this type of vaccine technology to our patients and help improve treatment outcomes in patients with aggressive cancers.
Dr. Gillanders