Association Of Obesity With Breast Cancer Clinical And Pathological Factors: Analysis Of Turkish National Breast Cancer Registry.

e12657 Background: Obesity is independently associated with breast cancer (BC) recurrence and poor prognosis despite therapy. However there is no data available about the effect of obesity on the natural course of BC in Turkish pts. This analysis focuses on the effect of obesity on the clinicopathological variables of BC. Methods: Pts presenting to medical oncology clinics were prospectively registered after October 2012 in 28 centers. Clinical and pathological characteristics were recorded. Patients were stratified according to body mass index (BMI): non-obese u003c 30 and obese ≥ 30.The association of BMI with patient demographics and pathologic characteristics were evaluated. Results: BMI of 13749 pts (128 males [0.9%]) were calculated. Obese pts with BMI ≥ 30 were older compared to non-obese pts (mean 51.7±11.7 vs 56.1±10.5 years; p u003c 0.001). There was no difference in gender in terms of obesity (p = 0.117). Obesity was more prevalent in postmenopausal pts compared to premenopausal women (64% vs 35.5%; p ...