Inclusion Criteria:  Karnofsky performance scale ≥90, Age between 18-70, Taxan class chemotherapy program has been planned, Not having regular exercise habits in the last 6 months, Patients who gave consent to voluntarily participate in the study.  Exclusion Criteria:  Having a communication problem Standardized mini mental test score ≤23 Previous chemotherapy treatments Having a neurological, rheumatological or orthopedic problem that prevents working, Presence of advanced lymphedema (Stage 3-4), Recurrence during treatment, Failing to use technology for tele-rehabilitation.