Manual Lymphatic Drainage Breast Massage in Breast Cancer Patients After Breast Conserving Surgery

This study tests whether manual lymphatic drainage breast massage — a gentle hands-on technique — can help reduce swelling, pain, and other side effects for women who had a lumpectomy and are undergoing whole breast radiation therapy. **You may be eligible if...** - You are a woman (18 or older) with early-stage breast cancer who had a lumpectomy - You will be receiving whole breast radiation therapy (standard or moderately hypofractionated) - You can read and understand English or Spanish **You may NOT be eligible if...** - You have a chronic inflammatory condition such as scleroderma, lupus, or rheumatoid arthritis - You have uncontrolled illness such as active infection, heart failure, or psychiatric illness that would affect your participation - You are receiving partial breast radiation or ultra-short radiation schedules - You cannot provide written consent in English or Spanish Talk to your doctor to see if this trial is right for you.