Clinical Research Directory

All participants must meet the following inclusion criteria: * Be a female between the ages of 18 and 85 years. * Have undergone breast conserving surgery +/- LN removal (sentinel lymph node biopsy (SLNB) or axillary lymph node dissection (ALND) * Have no residual cancer in the breast after definitive breast surgery * Have been treated with radiation therapy and have completed breast cancer treatment (excluding Herceptin and hormonal treatments) at MGH greater than or equal to 3 months ago. * Be able to read and understand English * Understand the proposed study and be willing and fully able to comply with the study procedures * Be a willing participant and be capable of giving and has given informed written consent for entry into the study EXCLUSION CRITERIA Participants will be excluded if they: * Have bilateral BC * Have metastatic or inflammatory BC * Will be excluded from the SOZO measurement of the study if they have implanted cardiac devices or neurostimulators * Have any medical condition that may result in breast swelling; * Uncontrolled congestive cardiac failure, * Arteriovenous haemodialysis, * Current infection or cellulitis of either breast. * Be pregnant or currently breast feeding. * Have a known over-active thyroid or known benign thyroid tumour