Fig. 4From: Prognostic value of ERBB4 expression in patients with triple negative breast cancerSurvival analysis in the validation set (N = 84). a Kaplan-Meier survival curve for stage at diagnosis. b Kaplan-Meier survival curve for level of ERBB4 expression. c Kaplan-Meier survival curve for level of ERBB4 expression in stage I/IIA (N = 33). d Kaplan-Meier survival curve for level of ERBB4 expression in stage IIB/IIIA/IIIC (N = 51)Back to article page