CEACAM5 and colorectal cancer: The CEA can be increased in 90% of patients with hepaticmetastasis, and is useful for follow-up of patients with colorectal cancer and presentinga sensitivity and specificity of 75 and 90 to 95% respectively, in the detection ofrecurrence.4 In a review of 1,001patients on whom a hepatic resection was performed due to colorectal metastasis, a levelof CEA of >200 ng/mL was described as a negative predictive factor and presented with amean survival of 24 months, while patients with preoperative levels <200 ng/mL had amean survival of 38 months.