Inclusion Criteria:  Breast cancer survivors, who are between the ages of 35-70, who have unilateral mild, moderate or severe lymphedema in the upper extremities after breast cancer treatment, who have taken any of the Lymphedema treatment methods at least 6 months ago will be included.  Exclusion Criteria:  Presence of metastatic breast cancer, Currently receiving adjuvant therapy (chemotherapy, radiotherapy, hormone therapy), Severe heart failure (Class III), Infections in extremities (fungal, redness, temperature increase), Severe pain in the axillary region (eg: axillary web syndrome, reflex sympathetic dystrophy, neuropathy), Persons participating in a regular exercise program in the last 6 months will be excluded from the study.