Fig. 2From: Plasma HER2ECD a promising test for patient prognosis and prediction of response in HER2 positive breast cancer: results of a randomized study - SAKK 22/99Kaplan–Meyer curves of the overall study population with respect to a TTP, b TTP-TChemo; c OS using the threshold of 15 ng/ml; and d OS using the calculated threshold of 35 ng/mlBack to article page