Figure 2
From: Podoplanin expression in the development and progression of laryngeal squamous cell carcinomas
![Figure 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1476-4598-9-48/MediaObjects/12943_2009_Article_563_Fig2_HTML.jpg)
Kaplan-Meier cancer-free survival curves categorized by podoplanin scores (A), and by podoplanin expression (positive versus negative) (B). P values were estimated using the log-rank test.