Validation of the 13-gene tumour percentage profile on 238 independent samples. (A) Profile outcome for 238 independent validation samples. Tumour samples are grouped according to their pathological scoring and ordered according to the profile index. Horizontal line represents the classification threshold that has been determined on the training cohort. (B) Box-plots and statistical differences in profiles indexes between the pathological low, medium and high TCP groups. Colours similar as in A.