Table 1 Demographic and clinicopathological characteristics of stage II colon cancer patients who underwent resection (n = 186).
N (%) | |
|---|---|
Gender | |
Male | 99 (53) |
Female | 87 (47) |
Age | |
≤65 | 52 (28) |
>66–75 | 62 (33) |
≥76 | 72 (39) |
Comorbidity | |
0 | 57 (31) |
1 | 50 (27) |
≥2 | 67 (36) |
Unknown | 12 (6) |
Surgery | |
Elective | 166 (89) |
Acute | 20 (11) |
Subsite | |
Left-sided colon | 85 (46) |
Right-sided colon | 101 (54) |
Pathological T stage | |
3 | 185 (99) |
4 | 1 (1) |
Differentiation grade | |
Well/moderate | 114 (61) |
Poor/undifferentiated | 39 (21) |
Unknown | 33 (18) |
Lymph nodes evaluated | |
<10 | 130 (70) |
≥10 | 56 (30) |
Tumor obstruction | |
No | 164 (88) |
Yes | 22 (12) |
Tumor perforation | |
No | 179 (96) |
Yes | 7 (4) |
Lymphangioinvasion | |
No | 180 (97) |
Yes | 6 (3) |
Microsatellite status | |
MSS | 143 (77) |
MSI | 43 (23) |
KRAS | |
Wild type | 121 (65) |
Mutant | 65 (35) |
BRAF | |
Wild type | 151 (81) |
Mutant | 35 (19) |
PIK3CA | |
Wild type | 165 (89) |
Mutant | 21 (11) |