Table III.
Demographic data of patients with cT1 upper third gastric cancer.
| Correct group (n=27) | Underestimated group (n=10) | P-value | |
|---|---|---|---|
| Age (years) | 71.4±9.4 | 71.9±7.6 | 0.932 |
| Male/female | 21/6 | 8/2 | 0.884 |
| Body mass index | 22.5±2.8 | 22.3±2.2 | 0.871 |
| Tumor size (mm) | 32.7±24.1 | 44.8±34.5 | 0.266 |
| Tumor size, mm | |||
| >=20 | 17 (63.0%) | 9 (90.0%) | 0.110 |
| <20 | 10 (37.0%) | 1 (10.0%) | |
| Operation | |||
| Total gastrectomy | 11 (40.7%) | 4 (40.0%) | 0.968 |
| Proximal gastrectomy | 16 (59.3%) | 6 (60.0%) | |
| Circumferences | |||
| Ant/post | 6/9 | 0/6 | 0.067 |
| Gre/less | 3/18 | 3/5 | 0.168 |
| Lymph nodal metastasis | |||
| cN0 | 26 (96.3%) | 10 (100%) | 0.537 |
| cN1 | 1 (2.7%) | 0 (0%) | |
| Gross type | |||
| Elevated | 11 (40.7%) | 2 (40.0%) | 0.714 |
| Flat | 3 (11.1%) | 0 (0%) | |
| Depressed | 13 (48.2%) | 3 (60.0%) | |
| Histology | |||
| Intestinal type | 25 (92.6%) | 6 (60.0%) | 0.017 |
| Diffuse type | 2 (7.4%) | 4 (40.0%) | |
| Stroma | |||
| Int | 13 (86.7%) | 5 (50.0%) | 0.028 |
| Med | 2 (13.3%) | 1 (10.0%) | |
| Sci | 0 (0%) | 4 (40.0%) | |
| Infiltrative growth | |||
| a | 0 (0%) | 0 (0%) | 0.002 |
| b | 15 (69.6%) | 5 (50.0%) | |
| c | 0 (0%) | 5 (50.0%) | |
| Lymphatic invasion | |||
| ly (−) | 19 (70.4%) | 2 (20.0%) | 0.010 |
| ly (+) | 8 (29.6%) | 8 (80.0%) | |
| Venous invasion | |||
| v (−) | 18 (66.7%) | 1 (10.0%) | 0.003 |
| v (+) | 9 (33.3%) | 9 (90.0%) |