IL6R and neoplasm: IL-6R was weakly corrected with gp130 (r = -0.287, P = 0.006) and JAK2 (r = -0.390, P < 0.001) in tumor tissues, and moderately correlated with gp130 (r = -0.467, P = 0.008) and JAK2 (r = -0.555, P = 0.001) in normal tissues.