The present invention also relates to biomarkers and the use of biomarkers for the prediction and prognosis of cancer as well as the use of biomarkers to monitor the efficacy of cancer treatment. Specifically, this invention relates to the use of HER-2, EGFR, VEGF, u-PA, p-PAI-1, and soluble forms thereof, as biomarkers for cancer, especially for subjects treated with sorafenib.