ETV4 and colorectal carcinoma: We confirmed the overexpression of ETV4 proteins in CRC tissue samples via immunohistochemistry (CRC tissue microarray and 10 CRC patients’ samples; Fig. 3b, Additional file 1: Table S3, and Additional file 4: Fig. S3) as well as western blot analysis (4 CRC patients’ samples; Fig. 1d, Additional file 1: Table S4).