Prone Positioning CT Scan and Ultrasound Assessing Axillary Lymph Nodes in Patients With Breast Cancer Official Title: Evaluation of Axillary Lymph Nodes Using Prone Positioning Computed Tomography Scan and Ultrasound in Patients With Breast Cancer

ALND is performed in patients with positive axillary lymph nodes on CT scan and on AAUS. pALND is performed in patients with negative axillary lymph nodes on CT scan but positive on AAUS.SLNB will be performed for those with negative axillary lymph nodes on CT scan and on AAUS.