MAKALE ÖZETİ Aim: In the literature, there are clinical and histopathological differences in elderly breast cancer patients compared to younger patients. In our study, we compared elderly breast cancer patients treated in our hospital with younger patients in terms of clinical and histopathological features. Material and Methods: In our study, the results of breast cancer patients treated between 01.01.2018 and 31.07.2021, Sancaktepe Martyr Prof. Dr. İlhan Varank Training and Research Hospital was evaluated retrospectively after the approval of the Ethics Committee dated 27/10/2021 and numbered 2021-1999. The clinical features, histopathological findings and surgical treatment methods of the patients were evaluated from their personal files. The patients were evaluated by dividing them into young and old patient groups, and 65 years was determined as the threshold value for the separation of young and old patients.