CEACAM5 and breast cancer: The AUROCs of the other tumor markers (CA-125, CA-199, CA-153, and CEA) for screening for breast cancer were 0.536 (95% CI 0.471–0.600), 0.546 (95% CI 0.481–0.611), 0.617 (95% CI 0.554–0.679), and 0.668 (95% CI 0.609–0.728), respectively (Table 2).