CEACAM5 and colorectal carcinoma: The AUC value of anti‐p53 Abs (0.702) was the highest among those of anti‐SOHLH1 Abs (0.581), CA19‐9 (0.570), anti‐FIRΔexon2 Abs (0.664), and CEA (0.677) in patients with CRC (Figure 3A).