Demonstration of a Novel Approach Using Surface-Image Guidance to Improve Delivery of Breast Radiotherapy

Exclusion Criteria

• •Age \< 18 years
• •Biologically non-female
• •Inability or unwillingness of subject to give written informed consent
• •Patients found at presentation to have very locally-advanced cancer (e.g. inflammatory breast cancer) or metastatic breast cancer (Stage 4)
• •Patients that will be treated with a deep-inspiration breath hold technique (typically younger patients being treated for left-sided tumors)
• •Current pregnancy, as this is a contraindication to receiving radiation therapy
• •History of prior radiotherapy to the chest wall or torso
• •Known allergy / sensitivity to standard medical marking tattoo ink (by design non-toxic, low-allergy), skin marking paint, or medical tape (e.g. Tegaderm)
• •Active drug or alcohol use or dependence evidenced by patient record and/or self-report that, in the opinion of the investigator, would interfere with adherence to daily radiation therapy