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Eileen Anne O'Halloran, MD

Mercy Clinic
Eileen Anne O'Halloran, MD, Mercy

Eileen Anne O'Halloran, MD

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Specialty

  • Surgical Oncology
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About Eileen Anne O'Halloran, MD

Care Philosophy I chose surgical oncology because of my passion for research and innovation. Cancer care evolves rapidly, expanding the role of curative surgery. As treatments advance, more patients become candidates for potentially curative operations, especially for pancreatic, liver, gastric and melanoma cancers. The Whipple procedure, once rare, now benefits many patients, and immunotherapy enables resection of melanomas previously deemed unresectable. I specialize in minimally invasive robotic and laparoscopic surgery, liver ablation for metastatic colorectal cancer and noninvasive histotripsy for liver tumors. I never want patients to lose hope—new breakthroughs are always emerging.
Education
Medical School
  • Loyola University of Chicago School of Medicine
Fellowships
  • Fox Chase Cancer Center/Temple University Hospital-Surgical Oncology
Residency
  • Loyola University Medical Center-General Surgery
Specialty
Board Certifications
  • American Board of Surgery
  • Amer Bd Surgery (Complex General Surgical Oncology)
Affiliations
  • Mercy Hospital South
  • Mercy Hospital St. Louis
Languages
  • English
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