Axillary Reverse Mapping in Preventing Lymphedema in Patients With Breast Cancer Undergoing Axillary Lymph Node Dissection

Inclusion Criteria: * Documentation of Disease: cT1-3 patients undergoing axillary surgery who additionally meet one of the following conditions: * Clinically node negative patients undergoing mastectomy and sentinel lymph node biopsy (SLNB) with possible axillary lymph node dissection (ALND) if SLNB is positive. If ALND is performed during a separate operation, ARM procedure must be repeated. Clinically node negative is defined by i) negative clinical exam and/or ii) negative axillary US and/or iii) negative needle biopsy of sonographically suspicious axillary nodes as applicable to each case. * Clinically node positive patients as determined by needle biopsy and planned for ALND regardless of type of breast surgery. * Patients will be staged according to the TNM staging system. * Prior Treatment: No prior axillary surgery except needle biopsy or concurrent SLNB. o Prior neoadjuvant chemotherapy is allowed but must be completed at least 2 weeks before registration. * No prior history of ipsilateral breast cancer (invasive or ductal breast carcinoma in situ \[DCIS\]). Lobular breast carcinoma in situ (LCIS) and benign disease are allowed. (May have neoadjuvant chemotherapy which must be completed 2 weeks before registration). * No bilateral invasive breast cancer. * No matted nodes. * No history of lymphedema of either arm. * No known allergies blue dyes, including make-up containing blue dye. * In order to complete the mandatory patient-completed measures, partici…