Psychosocial Outcomes and Contralateral Prophylactic Mastectomy (CPM)

The goal of this research study is to learn more about how different treatment decisions may influence the quality of life in women with breast cancer. Researchers want to use what is learned from this study to help future patients with breast cancer to be more informed when making treatment decisions.

Inclusion Criteria: 1. Newly diagnosed ductal carcinoma in situ (DCIS) or Stage I-III sporadic unilateral invasive breast cancer 2. Age 18 or older 3. Able to speak, read, and write English. 4. Spouse/Partner: Married or living with patient for a year or more 5. Spouse/Partner: Age 18 or older 6. Spouse/Partner: Able to speak, read, and write English Exclusion Criteria: 1. Patients with previous breast cancer 2. Prior history of prophylactic mastectomy 3. Known to have a germline gene mutation that predisposes them to an increased risk of breast cancer (e.g., BRCA1, BRCA2), and/or if they are considered at high risk for contralateral breast cancer on the basis of a strong family history of cancer