Breast Surgical Oncology Unit

Staff members in the Breast Surgical Oncology unit are:

  • Dr. Angel Arnaout (Unit lead) - General Campus
    • Administrative Assistant – Kasia Gogol
  • Dr. Erin Cordeiro – General Campus
    • Administrative Assistant – Kasia Gogol
  • Dr. John Lorimer - General Campus
    • Administrative Assistant –Lisa Simpson
  • Dr. Dennis Pitt - General Campus
    • Administrative Assistant – Judy Beck
  • Dr. Amanda Roberts – General Campus – starting in January 2017
    • Administrative Assistant –Lisa Simpson

The staff provide care for approximately 800 new breast cancer patients annually through the Women’s Breast Health Centre (WBHC) at the Ottawa Hospital (TOH) Civic Campus The WBHC is a comprehensive regional referral centre that offers expertise in:

  • patients with breast cancer
  • women at high risk of breast cancer
  • patients with other benign breast pathology

The team of staff members, nurses, and others provide specialized consultation and management of patients including:

  • breast imaging
  • diagnosis
  • risk assessment
  • surgical planning
  • education
  • psychosocial support
  • surgery
  • immediate breast reconstructive procedures

Approximately 80% of surgeries are for malignant disease, and 20% for benign disease.  Both Drs. Arnaout and Cordeiro have expertise in Oncoplastic breast surgery.

Patients are managed in a rapid assessment and diagnosis program with dedicated nursing support.

The WBHC is the hub of the Champlain LHIN Breast Cancer Community of Practice and hosts weekly multidisciplinary diagnostic/surgical planning rounds.  It is closely linked with the TOH Cancer Centre Breast Disease Site Group and the OBSP High Risk Program of screening and genetic assessment.

The staff members are actively involved in the education of undergraduate medical students and postgraduate trainees (residents and fellows) and in continuing professional development for physicians in practice. An Oncoplastic and Research Breast Surgical Oncology fellowship will be starting in July 2017.

Recent Highlights and Honours for the breast subspecialty unit include the following:

  • Dr. Angel Arnaout 
    • received the Order of Ottawa Award (2014)
    • received the CAGS Best Research Award (2014)
    • graduated from the Physician Leadership Development Program
    • promoted to Associate Scientist at OHRI (
    • Medical Director of the WBHC
  • Dr. Erin Cordeiro – appointed fellowship co-director
    • senior clinician investigator at OHRI (
    • General Surgery site chief, General Campus

A list of research by the staff members of the breast surgical oncology subspecialty unit is provided in the General Surgery Division Research section of the website.