SMC Radiation Oncology Breast Cancer Cohort Study

Registry for Analysis of Impact of Radiation Dose to Skin on Cosmetic Outcome and Patient-reported Outcomes in Patients With Breast Cancer Treated With Radiation Therapy

The goal of this observational study is to learn about toxicities and cosmetic outcomes in breast cancer patients treated with hypofractionated radiotherapy.

The main question it aims to answer are:

• Changes in breast skin
• Factors related to breast skin changes
• Patient-reported outcomes
• Cosmetic outcomes

Participants will be assessed by multi-dimensional methods before and after radiotherapy:

• Photographs
• Fibrometer
• Questionnaires (BREAST-Q)
• CTCAE version 4.03 evaluated by treating physicians

Inclusion Criteria:

• Breast cancer treated with curative surgery

Exclusion Criteria:

• History of thoracic radiation therapy