The Role of Magnetic Resonance Imaging in Assessment of Axillary Lymph Nodes Metastasis in Breast Cancer Patients.

Inclusion Criteria: \- 1) Patients who proved positive for primary breast cancer by histopathology with axillary lymph nodes detected clinically or with superficial ultrasound on both axillae. 2\) The included lymph nodes with minimal axial diameter (4mm). Exclusion Criteria: * 1)Patients who have a heart pacemaker as they are absolutely contraindicated for magnetic resonance imaging. 2\) Patients with severe claustrophobia. 3) Patients undergoing any type of neoadjuvant chemo-, immune- or endocrine therapy. 4\) Patients with history of axillary surgery or treatment. 5) Patients with recurrent axillary disease.