CEACAM5 and neoplasm: The results of these studies showed that patients with >1 pure solid nodule, a tumour >11 mm, a serum CEA level >2.12 ng/mL, or a predictive value >0.499 had shorter overall survival times than their respective counterparts (p: 0.0002, 0.035, 0.025, and 0.042, resp).