CEACAM5 and neoplasm: Preoperative SUVmax ≥3.3 (OR: 1.193, P = 0.766), CEA ≥3.5 ng/mL (OR: 2.545, P = 0.110), tumor size >2 cm (OR: 1.243, P = 0.721), and LVSI (OR: 2.103, P = 0.336) did not predict postoperatively locoregional recurrence.