Tumor Size and Axillary Lymph Node Involvement in Patients with Breast Cancer

Breast cancer is the most frequently diagnosed cancer among women and the leading cause of cancer death in females worldwide. It accounts for 30% of all female cancers and 15% of all cancer related death among women (Artaman, 2010; Garcia et al., 2011; Jemal et al., 2011). In Iran the incidence of the disease is rising, patients present with advanced stage of disease and they are younger than western population (about 10 years) than their western counterparts (ASR=25.06) (Harirchi et al., 2000; Mousavi et al., 2007). Because of high incidence rate of breast cancer among women, it is essential to identify effective strategies to manage this disease in populations. This is particularly depended on screening programs and early detection of cancer, information about risk factors, incidence of cancer in a population and the relationship