CEACAM5 and neoplasm: The results indicated that preoperative serum CA125 was associated with tumor size (χ2 = 14.609, P < .001), differentiation (χ2 = 6.504, P = .011), tumor capsulation (χ2 = 3.972, P = .046), TNM stage (χ2 = 14.398, P < .001), lymph node metastasis (χ2 = 5.502, P = .019), distant metastasis (χ2 = 7.491, P = .006), tumor recurrence (χ2 = 10.183, P = .001) and CEA (χ2 = 8.291, P = .004).