- American College of Surgeons
- American Society of Breast Surgeons
- Society of Surgical Oncology
Marina Petsalis, M.D.
- Surgery - Surgical Oncology
- Breast Cancer
- Breast Surgery
Biography
Marina Petsalis, M.D., is an Assistant Professor in the Department of Surgery at UT Southwestern Medical Center. She specializes in breast cancer, breast surgery, high-risk genetic management, benign breast disease, and oncoplastic breast surgery.
Dr. Petsalis earned her medical degree at McGovern Medical School at UTHealth Houston. She completed a residency in general surgery at UTHealth Houston and received advanced training through a breast surgical oncology fellowship at the Moffitt Cancer Center in Tampa, Florida.
Certified by the American Board of Surgery, she joined the UT Southwestern faculty in 2026.
Dr. Petsalis is a member of the American College of Surgeons, the Society of Surgical Oncology, and the American Society of Breast Surgeons.
She has published peer-reviewed academic articles related to her areas of expertise
Personal Note
When she’s not at work, Dr. Petsalis enjoys reading, biking, and playing tennis.
Education & Training
- Medical Education - McGovern Medical School (2016-2020), MD
- Fellowship - Moffitt Cancer Center & Research Institute (2025-2026), Breast Surgical Oncology
- Residency - UT Health Science Center (2020-2025), General Surgery
Professional Associations & Affiliations
Honors & Awards
- Benjy F. Brooks Outstanding Clinical Faculty Award 2025, McGovern Medical School
- Raleigh R. Ross Scholar 2024, Texas Surgical Society
Clinical Focus
- Breast Cancer
- Breast Surgery
- High-Risk Genetic Management
- Benign Breast Disease
- Oncoplastic Breast Surgery