The Endocrine and Oncologic Surgery (EOS) program at Penn Medicine offers surgical expertise by nationally recognized and skilled surgeons for patients with a wide variety of malignant and non-malignant tumors. Comprised of experts from various specialties, our multidisciplinary approach achieves outstanding outcomes earning us the reputation as one of the most respected and talented surgical oncology departments in the country.

Clinical Care

Our surgeons focus in diagnosing and treating a variety of conditions including malignant diseases of the:

• Breast
• Gastrointestinal tract
• Liver
• Pancreas
• Skin
• Endocrine glands
  • Thyroid
  • Parathyroid
  • Adrenals

Leaders in Education and Research

The Division of Endocrine and Oncologic Surgery is a leader in medical education and training. We offer:

• Breast Fellowship 

Current Research Activities

Our extensive and ongoing research in the division of Endocrine and Oncologic Surgery helps improve and pioneer surgical care for our patients and the next generation of surgeons:

• Ari D. Brooks
• Ronald P. DeMatteo
• Douglas L. Fraker
• Giogos C. Karakousis
• Rachel R. Kelz - The Center for Surgery and Health Economics
• Julia C. Tchou