Figure 4From: Presence of HER4 associates with increased sensitivity to Herceptin™ in patients with metastatic breast cancerKaplan-Meier curve of matched patient series with HER2 overexpression. P < 0.001. Herceptin™ therapy compared with conventionally treated HER2-negative patients as well as HER4 normal and overexpression. CT = conventional therapy; HER = human epidermal growth factor receptor; HT = Herceptin™ therapy.Back to article page