The investigators will aim to enroll 200 female adult patients (aged between 20 and 40 years) of all ethnicities/races, who have been referred to the Fourth Affiliated Hospital of Guangxi Medical University for breast cancer related unilateral lymphedema. The investigators will be using a standardized data collection form in this study, where standard of care will be practiced and the patients are not placed at additional risk from participating in this study. However, as the investigators are collecting data prospectively, all participants will sign consent.