Early Intervention to Prevent Lower Limb Lymphedema of Gynecological Malignancy

1\. perform manual lymphatic drainage twice a week after the start of radiotherapy for a total of 10 times, and wear lymphedema compression stockings after each manual lymphatic drainage, 2. teach patients how to care for their skin. 3. perform functional exercises for lymphedema of the lower extremities twice a day for 15 \~ 20 minutes each time. 4. follow up observation: before the start of radiotherapy, every Friday during radiotherapy, and every 3 months after the end of radiotherapy, the occurrence of lymphedema and related symptoms and quality of life were evaluated.