For P-ERK: MLNT, NCRCT vs. CRCT (x2 = 11.675 > x2 = 20.05(4), *P <0.05); Abbreviations: RKIP, Raf kinase inhibitor protein; NCRCT, non neoplastic colorectal tissue; CRCT, colorectal cancer tissue; MLNT, metastatic lymph node tissue. Here, PEBP1 is linked to colorectal cancer.