Pilot Study of Skin Quality Improvement After Adipose-drived Stem Cell Transfer in Irradiated Breasts

Inclusion Criteria: * Female aged between 40 and 60 * Subjects who diagnosed breast ductal carcinoma in situ of surgical staging T1aN0, negative resection margin of below 2mm in histopathologic examination * Subjects who have a relapse-free interval of more than one year after breast-conserving surgery for breast cancer and radiation therapy * Subjects who understand the study contents and sign the informed consent Exclusion Criteria: * Subjects who have radiodermatitis * Subjects who planned breast reconstruction with autogenous tissue (ex.Transverse Rectus Abdominis Muscle flap) * Subjects who have a history of smoking within 3months recently * Subjects who participated in other clinical trial within 30 days recently * Pregnant or lactating subjects * Subjects who have a active infectious disease * Subjects who are not eligible for this study at the discretion of the investigator