The predictors included in the nomograms are gender, age (< = 49, 50–69, > = 70), tumor location (<5 cm, 5 cm-10 cm, >10 cm), adjuvant chemotherapy (No/Yes), adjuvant chemoradiotherapy (No/Yes), T classification (T1–T2, T3, T4), N classification (N0, N1a, N1b, N2a, N2b), CEA (< = 5, >5) and ratio of metastatic lymph nodes. Here, CEACAM5 is linked to neoplasm.