Fig. 2From: Epidermal growth factor receptor and epididymis invasion as prognostic biomarkers in clinical stage I testicular germ cell tumoursKaplan–Meier curves representing survival of TGCT patients stratified by epididymis invasion presence (a) or EGFR expression (b). Differences between the two curves were calculated using the log-rank tests and resultant p value is shown in each graph. EI epididymis invasion, NS Non-seminoma, ns not significantBack to article page