Table 1 Demographic and clinicopathological variables of the 330 investigated stage III colon cancer patients
Variables | All patients [cases (%)] |
|---|---|
Age [median (range), years] | 55 (19–85) |
Gender | |
 Male | 189 (57.3) |
 Female | 141 (42.7) |
BMI [median (range), kg/m2] | 22.3 (14.3–34.2) |
Tumor size [median (range), cm] | 4 (0.8–15) |
Tumor location | |
 Cecum | 15 (4.5) |
 Ascending colon | 55 (16.7) |
 Hepatic flexure | 30 (9.1) |
 Transverse colon | 31 (9.4) |
 Splenic flexure | 6 (1.8) |
 Descending colon | 31 (9.4) |
 Sigmoid colon | 162 (49.1) |
Tumor differentiation | |
 Well/moderately differentiated | 238 (72.1) |
 Poor/undifferentiated | 92 (27.9) |
T stage | |
 T1–2 | 16 (4.8) |
 T3 | 156 (47.3) |
 T4 | 158 (47.9) |
No. of resected lymph nodes [median (range)] | 15 (2–63) |
N stage | |
 N1 | 233 (70.6) |
 N2 | 97 (29.4) |
Preoperative serum CEA (ng/mL) | |
 ≤ 5 | 199 (60.3) |
 > 5 | 131 (39.7) |
Preoperative serum CA19-9 (U/mL) | |
 ≤ 24 | 228 (69.1) |
 > 24 | 102 (30.9) |
Risk stratification | |
 Low risk | 131 (39.7) |
 High risk | 199 (60.3) |