CEACAM5 and breast cancer: Further multivariate Logistic regression analysis showed that preoperative serum miR-18a level, preoperative serum miR-122 level, postoperative serum CEA level, postoperative serum CA19–9 level, and postoperative antibiotic use time were significantly associated with recurrence after laparoscopic radical cystectomy for BC (all P < 0.05) (Table 3).