(a) Levels of MIRs21, 29a, and 92a preoperatively and at POD7 and POM1 of 36 CRC patients who underwent curative resection. The paired t-test was performed for comparisons between pre–and post-operative groups. (b) Relationship between the −∆∆CT levels (before operation and one month after operation) of MIRs21, 29a, and 92a in plasma of 36 CRC patients and plasma MIR level. Student’s t-test was performed for comparisons between groups. (c) Levels of MIRs21, 29a, and 92a preoperatively and at POD7 and POM1 of CRC patients with high plasma MIR level. The paired t-test was performed for comparisons between pre- and post-operative groups. (d) Levels of MIRs21, 29a, and 92a preoperatively and at POD7 and POM1 of CRC patients with low plasma MIR level. The paired t-test was performed for comparisons between pre- and post-operative groups (Pre: the day before the operation, POD7: on postoperative day 7, POM1: on postoperative one month).