Table 3.
Change of preoperative tumor marker levels (cutoff 20%) compared with clinical response at CT imaging after chemotherapy
| Clinical response at CTb | ||||
|---|---|---|---|---|
| Response | Stabilization | Progression | Total | |
| Change from preoperative CEA levela | ||||
| Response | 61 | 13 | 1 | 75 (66%) |
| Stabilization | 3 | 11 | 0 | 14 (12%) |
| Progression | 4 | 2 | 18 | 24 (21%) |
| Total | 68 (60%) | 26 (23%) | 19 (17%) | 113 (100%) |
| Change from preoperative CA19.9 levela | ||||
| Response | 38 | 9 | 1 | 48 (70%) |
| Stabilization | 1 | 4 | 3 | 8 (12%) |
| Progression | 0 | 5 | 7 | 12 (18%) |
| Total | 39 (57%) | 18 (26%) | 11 (16%) | 68 (100%) |
CT computed tomography, CEA carcinoembryonic antigen, CA carbohydrate antigen
aCutoff point 20%
bAccording to RECIST criteria22