CEACAM5 and neoplasm: For example, a 55 years old patient with pT2N0 stage, elevated CEA level (for 35 points), tumor size of 7 cm (for 23 points), the presence of PNI (for 51 points), CRM involvement (for 55 points), undifferentiated type (for 64 points) and 10 lymph nodes harvest (for 31 points) had a total of 259 points.