Table 5

Summary of the CEA RT-PCR results on blood samples from stage A and B2 colorectal cancer patients during postsurgical follow-up

PatientStageDays post surgeryCEA RT-PCRSerum levelsa
CEACA19.9CA72-4
2A−2+++1.4 (−)39.9 (+)10.0 (+)
301.3 (−)27.3 (−)2.1 (−)
2061.6 (−)28.1 (−)1.8 (−)
3671.2 (−)29.5 (−)2.2 (−)
4441.8 (−)22.7 (−)2.5 (−)
6752.2 (−)28.5 (−)1.7 (−)
4A−37++0.6 (−)25.6 (−)1.9 (−)
0++2.8 (−)29.8 (−)0.7 (−)
3+2.1 (−)25.6 (−)1.2 (−)
47+2.2 (−)26.4 (−)1.3 (−)
122+2.2 (−)24.9 (−)1.3 (−)
5A−30.6 (−)12.2 (−)2.1 (−)
20.8 (−)11.3 (−)1.8 (−)
41.2 (−)6.9 (−)1.7 (−)
80.9 (−)12.4 (−)2.3 (−)
1201.4 (−)7.9 (−)2.1 (−)
2401.1 (−)9.8 (−)1.9 (−)
1A02.9 (−)8.0 (−)1.7 (−)
32.3 (−)8.1 (−)1.5 (−)
311.8 (−)9.5 (−)1.8 (−)
901.9 (−)6.8 (−)1.6 (−)
2022.0 (−)8.1 (−)1.3 (−)
19B2−2+1.1 (−)8.1 (−)1.8 (−)
5+2.1 (−)9.9 (−)2.3 (−)
392.4 (−)6.2 (−)3.7 (−)
1263.1 (−)4.9 (−)4.2 (−)
17B2−1+1.7 (−)7.3 (−)2.1 (−)
47+0.6 (−)5.5 (−)1.6 (−)
752.7 (−)3.5 (−)1.7 (−)
1031.0 (−)5.5 (−)2.0 (−)
15B2−1+++3.1 (−)9.3 (−)4.5 (−)
41+++2.3 (−)4.7 (−)1.9 (−)
62+1.8 (−)6.7 (−)2.0 (−)
902.6 (−)8.9 (−)1.5 (−)
1181.9 (−)9.7 (−)1.7 (−)
1462.5 (−)13.6 (−)2.0 (−)
3092.0 (−)12.0 (−)1.9 (−)
20B200.4 (−)18.3 (−)3.4 (−)
301.4 (−)25.3 (−)5.2 (−)
901.8 (−)225.4 (+)7.4 (+)
1203.0 (−)525.3 (+)13.1 (+)
2362.8 (−)1368.4 (+)21.0 (+)
28010.3 (+)2466.6 (+)57.4 (+)
29215.1 (+)4273.5 (+)60.6 (+)
21B2−20.2 (−)2.2 (−)3.0 (−)
108+++2.6 (−)0.1 (−)1.5 (−)
677+++2.5 (−)4.1 (−)7.8 (+)
  • a Serum CEA levels were determined by an enzyme immunoassay test kit, using a value of 5 ng/ml as positive. CA19.9 was determined using the CA19.9 kit with the suggested value 37 units/ml as positive. Serum CA72-4 antigen levels were determined using the CA72-4 kit with the suggested value 6 units/ml as positive.