Imaging Biomarkers of Lymphatic Dysfunction

Inclusion Criteria: * Females with a diagnosis of secondary arm and/or upper quadrant lymphedema following cancer treatments Exclusion Criteria: * Subjects who have any type of non-MRI compatible bioimplant activated by mechanical, electronic, or magnetic means (e.g., cochlear implants, pacemakers, neurostimulators, biostimulators, electronic infusion pumps, etc.) or are not able to comfortably be able to tolerate the limited fit of the MRI * Subjects who have any type of ferromagnetic bioimplant that could potentially be displaced. * Subjects who may have shrapnel embedded in their bodies (such as from war wounds), metal workers and machinists (potential for metallic fragments in or near the eyes). * Pregnant women will be excluded from the MRI portion of the study only * Subjects who have open wounds on either ankle or top of foot because of contraindications with placement of electrodes to obtain the L-DEX U400 readings. * Persons with heart pacemakers. * Persons with bilateral arm lymphedema (or bilateral risk) or pre-existing lymphedema/edema in the upper body prior to cancer treatments.