CXCL1 and reading: According to the TCGAportal, READ patients with up-regulated CXCL1, CXCL2, and CXCL3 showed poor OS (log-rank p = 0.018, 0.073, and 0.022 for CXCL1, CXCL2, and CXCL3, respectively (Figure 8(d-f)).