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Table 1 Clinicopathologic features of 334 CRC patients

From: Comparative analysis of the EGFR, HER2, c-MYC, and MET variations in colorectal cancer determined by three different measures: gene copy number gain, amplification status and the 2013 ASCO/CAP guideline criterion for HER2 testing of breast cancer

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)
  1. SD standard deviation, MSI microsatellite instability, MSS microsatellite instability stable, MSI-L microsatellite instability-low, MSI-H microsatellite instability-high