Figure 3. Difference of overall survival (OS) outcomes of patients with breast-conserving therapy according to preoperative magnetic resonance imaging (MRI). The blue line means the OS of patients with preoperative MRI. The green line means OS of patients without preoperative MRI. There was no significant difference in terms of survival outcome (5 yr OS of patients with preoperative MRI vs. patients without preoperative MRI was 98.3% vs. 98.5.0%, p=0.655).