NTN4 and breast cancer: rs60538652, on SIAH2, rs2912774 on FGFR2 and rs67129489 near PGAM1P5/NTN4 were more strongly associated with ER+ or PR+ cases, while rs9383936 near ESR1 was more strongly associated with ER− or PR− breast cancers (Pheterogeneity <0.05).