We assessed the previously published gene expression modules describing biological processes -LSB- proliferation , apoptosis , human epidermal receptor @ ( HER@ ) and estrogen ( ER ) signaling , tumor invasion , immune response , and angiogenesis -RSB- and pathways ( Ras , MAPK , PTEN , AKT-MTOR , PI@KCA , IGF@ , Src , Myc , E@F@ , and - catenin ) and the intrinsic subtypes ( PAM@ ) .