fig2
Figure 2. Kaplan-Meier curves for unadjusted overall survival for elderly women with ductal carcinoma in situ, stratified by receipt of local-regional treatment and age as follows: (A) women ages ≥ 70 years old, n = 18,451; (B) women ages 70-74 years old, n = 7,924; (C) women ages 75-79 years old, n = 5,821; (D) women ages ≥ 80 years old, n = 4,706. OS: overall survival; CI: confidence interval