The purpose of this study is to compare plaque burden in the coronary and carotid arteries 5 years after adjuvant radiotherapy in women with right sided breast cancer vs left sided breast cancer.

This study reviews case series of patients with a history of breast cancer treated with radiotherapy for at least five years. The study measures atherosclerosis by using coronary and carotid artery calcium scoring.

Inclusion Criteria:

• women dx with ductal carcinoma in situ or breast cancer, stage 0 to stage IIIc, who received conservative surgery and radiotherapy at least 5 years ago
• less than or equal to age 60

Exclusion Criteria:

• hx of coronary disease prior to tx of ductal carcinoma in situ or breast cancer

breast cancer patients after radiation treatment

Age 60 years or younger at time of radiatiion to chest wall. All subjects had radiation at least 5 years prior to enrollment. Patients with clinical symtoms of CAD were excluded.