Table 1 Clinicopathologic features of 334 CRC patients
Characteristic | Examined no. (%) |
|---|---|
Age (years) | |
Mean ± SD | 64.04 ± 11.57 |
Range | 20–95 |
Tumor size (cm) | |
Mean ± SD | 5.32 ± 2.21 |
Range | 1.0–13.0 |
Sex | |
Male | 185 (55.4) |
Female | 149 (44.6) |
Location | |
Right | 93 (27.8) |
Left | 127 (38.0) |
Rectum | 114 (34.1) |
Histologic grade | |
Low grade | 303 (90.7) |
High grade | 31 (9.3) |
Tumor border | |
Expanding | 49 (14.7%) |
Infiltrative | 285 (85.3%) |
Lymphatic invasion | |
Absent | 143 (42.8%) |
Present | 191 (57.2%) |
Venous invasion | |
Absent | 272 (81.4%) |
Present | 62 (18.6%) |
Neural invasion | |
Absent | 231 (69.2%) |
Present | 103 (30.8%) |
pTNM stage | |
I–III | 273 (81.7) |
IV | 61 (18.3) |
MSI status (n = 323) | |
MSS/MSI-L | 296 (91.6) |
MSI-H | 27 (8.4) |