Figure 4

Survival (Kaplan-Meier) for SCC with L0 (blue) and L1 (green) for the different methods of investigation: a) + b) conventional; P = 0.4 resp. P = 0.01. c) + d) D2-40 immunohistochemistry; P = 0.3 resp. P = 0.17 e) + f) both methods together; P = 0.2 resp. P = 0.049 (log rank).