Finally, our analysis revealed that patients with IL17F wild type genotype AA presented significantly longer OS, without a CRC treatment (chemotherapy (p = 0,0001),a surgery(p = 0,012), a radiotherapy (p = 0,04) and a neoadjuvant chemotherapy(p = 0,003)) (Figs 1, 2, 3 and 4). Here, IL17F is linked to colorectal carcinoma.