Fig. 2From: Impact of uPA/PAI-1 and disseminated cytokeratin-positive cells in breast cancerOverall survival in node-negative cases. a) Outcome dependent on the occurrence of disseminated cytokeratin-positive cells (dCK+). b) Outcome dependent on the occurrence of dCK+ cells and positivity of the proteases uPA and/or PAI-1 positivity is defined as tissue level above the cut-off. Note: BHST = 0.01Back to article page