Fig. 8
From: Detecting prognostic biomarkers of breast cancer by regularized Cox proportional hazards models
The comparison of PRS index in normal and tumor tissues in the internal TCGA dataset and four external GEO datasets. a TCGA (n = 224). b GSE7904 (n = 62). c GSE42568 (n = 121). d GSE5764 (n = 15). e GSE10780 (n = 185)