The purpose of this study is to find out whether it is practical (feasible) to do a larger study looking at the effectiveness of the Breast Reconstruction Decision Aid Tool (RECONJOINT) for breast reconstruction surgery.

Participant Inclusion Criteria

Focus Group Participants

• A diagnosed genetic predisposition to breast cancer or a diagnosis of ductal carcinoma in situ or any invasive cancer confirmed through review of the medical record
• ≥18 years old
• Considering post-mastectomy breast reconstruction

RCT Participants (Patients)

• A diagnosed genetic predisposition to breast cancer or a diagnosis of ductal carcinoma in situ or any invasive cancer confirmed through review of the medical record
• ≥18 years old
• Considering post-mastectomy breast reconstruction
• Have an appointment scheduled for consultation with a plastic surgery provider

RCT Participants (Physicians)

• Provides breast reconstruction care ≥ 50% of the time. This is defined as over half of the surgeon's cases in the preceding calendar year being related to breast reconstruction surgery.

Participant Exclusion Criteria

Focus Group Participants

• Not considering post-mastectomy breast reconstruction
• Non-English proficiency

RCT Participants (Patients)

• Not considering postmastectomy breast reconstruction
• Recurrent or metastatic breast cancer
• Male sex
• Non-English proficiency

RCT Participants (Physicians)

• Does not provide breast reconstruction care at least 50% of the time
• Non-English proficiency

Memorial Sloan Kettering Cancer Center supports the international committee of medical journal editors (ICMJE) and the ethical obligation of responsible sharing of data from clinical trials. The protocol summary, a statistical summary, and informed consent form will be made available on clinicaltrials.gov when required as a condition of Federal awards, other agreements supporting the research and/or as otherwise required. Requests for deidentified individual participant data can be made following one year after publication and for up to 36 months later. Deidentified individual participant data reported in the manuscript will be shared under the terms of a Data Use Agreement and may only be used for approved proposals. Requests may be made to: crdatashare@mskcc.org.