| Clinicopathological characteristics | Group A (n = 12) | Group B (n = 3) | p-value |
| Gender |
|
| 0.6013 |
| Male | 6 | 2 |
|
| Female | 6 | 1 |
|
| Age (years) | 68 ± 12.16 | 72.33 ± 4.6 | 0.7231 |
| Dmax |
|
| 0.0701 |
| >6 cm | 7 | 0 |
|
| ≤6 cm | 5 | 3 |
|
| Location |
|
| 0.6393S |
| U | 6 | 1 |
|
| M | 5 | 2 |
|
| L | 1 | 0 |
|
| Histotype |
|
| 0.0040 |
| Intestinal | 2 | 3 |
|
| Diffuse/mixed | 10 | 0 |
|
| Three-layer pattern |
|
| 0.2954 |
| Yes | 4 | 2 |
|
| No | 8 | 1 |
|