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CIBC Breast Centre


Dr. Christine Brezden-MasleyDr. Christine Brezden-Masley

Areas of specialty: breast, colorectal, gastrointestinal cancers

Dr. Christine Brezden-Masley is a medical oncologist, the Division Head of Hematology / Oncology and is the Head of the Oncology Clinical Research Group at St. Michael’s Hospital. She treats both Breast and GI cancers (colorectal and gastric) and focuses her research in these areas as well. She is active in research, education, and has been instrumental in the clinical development of the cancer program at St. Michael’s Hospital. She is currently an assistant professor in the Department of Medicine at the University of Toronto. She is also the founder of the COMET (Community Oncologists of Metropolitan Toronto) Clinical Trials Consortium, a user friendly patient referral network promoting cancer clinical trials throughout the Toronto region.

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