The Frequency of Breast Cancer Among Women Referred to Hospitals for Biopsy in Birjand, Iran During 2011-2013

<p><strong>Background:</strong> This study aims to demonstrate the frequency of malignant breast cancer (BC) according to pathologic findings in Birjand during 2011-2013 years.</p><p><strong>Methods:</strong> For this cross-sectional study, the sample consisted of pathologic records from 229 breast biopsies of two hospitals in Birjand. </p><p><strong>Results:</strong> Most of the biopsies in women were malignant cases which nearly 90% of them were detected after lymph node involvement. The mean age of women with malignant BC was 48.8 years. </p><p><strong>Conclusions:</strong> A notable proportion of our cases were diagnosed in metastatic stages as advanced BC. It further highlights the importance of screening and diagnosis at earlier stages.</p><p>