Figure 3.
Kaplan-Meier survival analysis of DFS depending on LVI status in lymph node-negative, lymph node-positive, and breast cancer subtypes patients. LVI+ status exhibited significantly worse DFS compared with LVI− in lymph node-negative cases (A), lymph node-positive cases (B), luminal A-like cases (C), and luminal B-like cases (D) (all P < .001, log-rank test). LVI+ status exhibited no significantly worse DFS compared with LVI− in HER2-enriched cases (P = .589, log-rank test) (E) and triple-negative cases (P = .106, log-rank test) (F). DFS = disease-free survival, LVI = lymphatic vessel invasion.