CRP and cancer: The cancer surgery only subgroup analysis included six studies [24,26,31,33,40,41], and the CRP level was significantly lower in EA cohort (SMD = −0.72, 95% CI = −1.07 to −0.36, I2 = 63%, Egger’s regression p = 0.06, trim and fill reported no missing studies, Supplementary Figure S3).