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Jennifer Tseng, MD

Assistant Professor of Surgery

Jennifer Tseng, MD, is a breast cancer surgeon with fellowship training in breast and complex general surgical oncology, clinical immunotherapy and clinical medical ethics. In consultation with teams of multidisciplinary experts, Dr. Tseng integrates the latest research in immunotherapy and clinical trials into her surgical practice to provide the optimal care for patients with breast cancer, melanoma and sarcoma.
During her residency in general surgery she trained as a clinical immunotherapy fellow at the National Cancer Institute under Steven A. Rosenberg, MD, world-renowned expert in the field of immunotherapy for treatment of melanoma, sarcoma and other malignancies. Dr. Tseng received post-graduate fellowship training in complex general surgical oncology at the University of Chicago. Dr. Tseng has longstanding interests in clinical ethics and medical education. She completed a fellowship with the MacLean Center for Clinical Medical Ethics at the University of Chicago, and previously served as a theme issue editor for the American Medical Association’s Journal of Ethics. Her research interests include ethical considerations in clinical trials and the use of surrogate decision makers.
Dr. Tseng has contributed several manuscripts, book chapters, peer-reviewed articles and abstract presentations on surgical oncology and breast cancer. Most recently, she published articles on the clinical accuracy of preoperative breast MRI for breast cancer and post-mastectomy radiation therapy and overall survival after neoadjuvant chemotherapy for breast cancer. In addition, she contributed an article on the utilization of axillary surgery for patients with ductal carcinoma in situ to the Annals of Surgical Oncology. Dr. Tseng also participated in the U.S. Sarcoma Collaborative and the Gastric Cancer Standards research project, which was published in the American College of Surgeons, Operative Standards for Cancer Surgery: Volume II.

Practice Location

The University of Chicago Medicine
5841 S. Maryland Avenue
Chicago, IL 60637

Duchossois Center for Advanced Medicine 
5758 S. Maryland Avenue 
Chicago, IL 60637

The University of Chicago Medicine
Comprehensive Cancer Center at Silver Cross Hospital
1850 Silver Cross Boulevard 
New Lenox, IL 60451 

Year Started Practice


Board Certification


Medical School

University of California, Davis


Oregon Health and Science University


The University of Chicago Medicine
The University of Chicago MacLean Center for Clinical Medical Ethics
National Cancer Institute


American College of Surgeons
American Society of Breast Surgeons
American Society of Clinical Oncology
North American Neuroendocrine Tumor Society
Society of Surgical Oncology

Language Spoken



Office Phone

(773) 702-2028

Office Fax

(773) 702-6120

Office Postal Address

Jennifer Tseng, MD
The University of Chicago Medicine
5841 S. Maryland Avenue, MC 5094
Chicago, IL 60637

Physician Photo

Clinical Interests

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Selected Publications

View a partial list of Dr. Tseng's publications through the National Library of Medicine's PubMed online database.