Breast: Recovery After Axillary Node Clearance - Evaluating Limbs With E-Technology (the BRACELET Study)

This study (called BRACELET) is evaluating a wearable electronic device to monitor arm swelling and movement recovery in patients who have undergone breast or axillary (armpit lymph node) surgery, to see if technology can improve how lymphedema (arm swelling after surgery) is tracked and managed. **You may be eligible if...** - You have had breast surgery or surgery to remove lymph nodes in the armpit (axillary node clearance) **You may NOT be eligible if...** - You have been diagnosed with another movement disorder that would affect arm measurement - You are unable to consent due to language barriers or reduced capacity Talk to your doctor to see if this trial is right for you.