Impact of 5-fraction Stereotactic Partial Breast Irradiation and Whole Breast Irradiation on Cosmetic Outcome and Patient-reported Outcomes in Early-stage Breast Cancer

Impact of 5-fraction Stereotactic Partial Breast Irradiation and Whole Breast Irradiation on Cosmetic Outcome and Patient-reported Outcomes in Early-stage Breast Cancer

This study aim to investigate the effect of 5-fraction stereotactic partial breast irradiation and whole breast irradiation on patient-reported outcomes, cosmetic outcome, and breast tissue fibrosis in early-stage breast cancer.

Inclusion Criteria:

• Pathologically confirmed invasive breast carcinoma or ductal carcinoma in situ (DCIS)
• Women who underwent breast-conservating surgery and have a plan to undergoing partial or whole breast irradiation
• Good performance status (ECOG 0-1)

Exclusion Criteria:

• Recurrent breast cancer
• History of ipsilateral breast irradiation
• Positive resection margin status after breast surgery