However, PanCanQTL did not show any cis-eQTLs, trans-eQTLs nor survival eQTLs for rs78754389 and there was no evidence of association of ARAP2 expression levels with distant metastasis-free survival within ER− breast cancer patients treated with chemotherapy based on KMPlotter data (Additional file 2: Supplementary Figure S12). Here, ARAP2 is linked to breast cancer.