Figure 5. Kaplan-Meier curves showing probability of no recurrence based on combinations of positive- and negative-MMP-9 margins with lymphatic/vascular invasion (LVI) status.
(A, B) MMP-9 positive and MMP-9 negative margin patients without and with LVI, respectively. (C, D) LVI-positive and LVI-negative patients with MMP-9 negative and MMP-9 positive margins, respectively.