Burcu Gulbagci

A total of 348 patients, 2% of whom were male, were included in this study. Median age was 71 years (range 65–86) and patients were grouped as 65–69 years old (n = 150), 70–79 years old (n = 159) and 80 years and older (n = 39) (group 1,2,3 respectively). At least one comorbid disease was present in 74.5% of the patients. Bone-only disease was present in 35.7% of the patients. 41.8% of patients had received systemic therapy for MBC before CDK4/6i plus ET combination.