Fig. 1

Summary of the genome-wide copy number analysis of 87 controls and 38 BCP tumor samples. a–c Comparison of cancer cell fraction, ploidy and fraction of genome altered between controls and BCP. d Comparison of the CNA frequencies of controls (blue) and BCP (pink). e Heatmap of 35 CNA breast cancer driver genes according to their alterations; controls (blue) and BCP (pink). P, p-value derived for the Mann–Whitney U test