CEACAM5 and cancer: Notably, Apo10, TKTL1, and Apo10 + TKTL1 (APT) levels were significantly greater in the cancer group than in the control group (P < 0.001), demonstrating high diagnostic value (AUC = 0.901, 0.871, 0.938) that surpassed CA-125, CA-199, CA-153, and CEA.