Fatemeh Homaei Shandiz - Department of Oncology Radiotherapy, Faculty of Medicine , Omid and Qaem Hospital, MashhadUniversity of Medical Sciences, Mashhad, Iran
Mahdi Rivandi - Department of Modern Sciences & Technologies, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
Fahime Afzal Javan - Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences,Mashhad, Iran
Sahar Ardalan - Department of Modern Sciences & Technologies, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Breast cancer with over 1,600,000 cases in 2014 alone, is the most globally widespread malignancy in women. The purpose of this research is to evaluate several histopathologic characteristics in patients diagnosed with breast cancer who visited a private oncologic clinic in Mashhad.Medical records of the patients who visited a private oncologic clinic in Mashhad were studied and evaluated for demographics and pathological data. Age, gender, breast cancer type, tumor size, stage of the disease, and the type of hormone receptors were extracted and analyzed.This study was done on 355 patients with an average age of 48.29. 91.8%, 4.2%, 1.7% and 1.4% of patients were invasive ductal carcinoma, invasive lobular, medullary carcinoma and comedo carcinoma respectively. Most patients, were in stage 3 of the disease (50.8%). Involved lymph nodes were mostly 2-5. 76.9%, 9%, 5.07%, and 4.78% of patients belonged to (HER2+, PR+, ER+), Her2 Type, (HER2-, PR+, ER+), and Triple Negative subgroups respectively. This study shows that the leading type of cancer in the target population is invasive ductal carcinom a breast cancer type and most patients referred to the clinic were stage 3. Proper education in our population for breast cancer awareness and also implementation of the appropriate screening and diagnostic methods are essential.

Breast Cancer, Epidemiologic Study, Demographic Study, Invasive Ductal Carcinoma