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Marvelle Koffler Breast Centre

representative image of Marvelle Koffler Breast Centre

Marvelle Koffler Breast Centre

The Marvelle Koffler Breast Centre at Mount Sinai Hospital is a premiere facility specializing in breast health and disease. The Centre opened its doors in 1995, thanks to the extraordinary leadership of Marvelle Koffler and Murray Koffler.

We ensure each patient is cared for in a comprehensive manner, from the physical to the psychosocial.

Our patients come for breast cancer screening as well as diagnosis of benign and malignant breast conditions. Services include screening mammography, as centre is an Ontario Breast Screening Program assessment site. It is also home to a team of experts in the diagnosis and treatment of breast conditions, including breast cancer.
Combining the services of a range of health care providers under one roof, patients are treated by professionals in the areas of:

  • surgery
  • medicine
  • radiological sciences
  • pathology
  • psychiatry
  • nursing
  • palliative medicine
  • nutrition
  • social work
  • genetic counselling

For individuals diagnosed with breast cancer, treatment is coordinated at the outset by the centre's multidisciplinary team. Specialized cancer care professionals involved with the centre meet weekly to review medical information on all newly diagnosed breast cancer patients and provide input on the best plan of care.

Known as the Multidisciplinary Cancer Conference, this group optimizes medical treatment by ensuring multiple physicians have input into each patient's care. The team reviews each case and makes recommendations on the course of treatments. These recommendations are communicated to each patient by their treating physician.

34,000 Women

annually receive care at the Marvelle Koffler Breast Centre.

25-30 Clinicians and Trainees

meet weekly to review medical information on all newly diagnosed breast cancer patients.

First Dedicated Breast Centre

in Canada to integrate all aspects of breast care: detection, diagnosis, counselling and treatment.

Our Services

We provide state-of-the-art care through the integration of multiple disciplines to provide prompt access to diagnostic, surgical, medical and psychosocial services to our patients.

Breast Cancer 

Breast cancer is a disease that occurs when cells in the breast grow out of control. Learn more about how it is diagnosed and treated.

Male Breast Cancer 

Men have breast tissue so, like women, they can develop breast cancer too. Learn more about how it is diagnosed and treated.

Breast Imaging 

We provide a wide range of screening and diagnostic tests to assess any problems of the breast, like mammography and ultrasound. Learn more about the types of imaging exams we offer.

Breast Surgical Services 

Patients are seen for all types of breast conditions. Our team is made up of breast cancer surgery experts.

Breast Medical Oncology 

Learn more about systemic treatment for breast cancer, which includes chemotherapy and / or hormone therapy.

Genetic Services for Breast Cancer 

Genetic counselling can help you decide if genetic testing is right for you. They will look at your family history of cancer and personal medical status.

Familial Breast Clinic 

We offer a comprehensive counselling and referral service for individuals with a family history of breast cancer.

Support for Breast Cancer Patients 

Psychosocial services offer support for the psychological and emotional challenges of a breast-cancer diagnosis. It is available to all breast cancer patients.

Taking Charge: Healthy LIFEstyle Choices after Breast Cancer 

Learn more about a program that offers small groups and personalized guidance about a healthier diet and physical activity choices.

PYNK: Program for Young Women with Breast Cancer 

The PYNK program, focused on the unique needs of young women with breast cancer, is now available at Mount Sinai Hospital.

Meet the Team 

Our multidisciplinary approach helps us provide state-of-the-art care. Meet your care team.

Be Breast Healthy 

A six-step learning program for women who want to learn and lower their cancer risk


A collection of the most helpful and relevant answers to the most asked questions on mammograms.

Stories from our Patients

In the News

Donate to honour Marvelle Koffler, a true visionary

The Marvelle Koffler Breast Centre at Mount Sinai Hospital has seen more than one million patient visits since its opening. Marvelle Koffler, who helped establish the centre, passed away in January 2020. Her legacy of philanthropy and care lives on.

Find Us

map icon Marvelle Koffler Breast Centre
Mount Sinai Hospital
Joseph & Wolf Lebovic Health Complex
600 University Avenue, 12th Floor
Take the Murray Street elevators in the hospital to the 12th Floor.


Book an Appointment: call our receptionist at 416-586-8799.

Important: Before an appointment can be booked with one of the doctors here, their office must receive a referral with appropriate relevant medical information (for example, test reports) from the doctor who is referring you. The referring doctor may ask you to bring other test results, x-ray films etc. to your appointment.

Mammogram Appointments: 416-586-4800 ext. 4422

Important: You will be required to bring a requisition from your doctor when you come for your breast imaging test. A hospital card and valid health card must also be presented.