Table 2 Comparison of radiological characteristics between the LNM and non-LNM groups
Imaging features | LNM | Non-LNM | p value |
|---|---|---|---|
Tumor location | |||
Lower | 25 (40.3%) | 46 (40.7%) | 0.325 |
Middle | 27 (43.5%) | 39 (34.5%) | |
Upper | 10 (16.1%) | 28 (24.8%) | |
Length (mm) | 49.00 (41.0–59.0) | 45.0 (40.0–54.0) | 0.306 |
Thickness (mm) | 13.00 (11.0–16.0) | 13.0 (10.0–16.0) | 0.255 |
Invasion extent | |||
1/4–1/2 | 7 (11.3%) | 13 (11.5%) | 0.997 |
1/2–3/4 | 30 (48.4%) | 54 (47.8%) | |
> 3/4 | 25 (40.3%) | 46 (40.7%) | |
mrT stage | |||
3a | 1 (1.6%) | 3 (2.7%) | 0.212 |
3b | 36 (58.1%) | 71 (62.8%) | |
3c | 17 (27.4%) | 17 (15.0%) | |
3d | 8 (12.9%) | 22 (19.5%) | |
mrN stage | |||
N0 | 26 (41.9%) | 98 (86.7%) | < 0.001 |
N1 | 26 (41.9%) | 15 (13.3%) | |
N2 | 10 (16.2%) | 0 | |
mrEMVI | |||
Negative | 55 (88.7%) | 107 (95.5%) | 0.089 |
Positive | 7 (11.3%) | 5 (4.5%) | |
MRF | |||
Negative | 45 (72.6%) | 100 (88.5%) | 0.008 |
Positive | 17 (27.4%) | 13 (11.5%) |