Table 1.
Clinicopathological characteristics of 24 patients
| Age (mean ± SD) (years) | 65.5 ± 11.0 |
| Sex, n (%) | |
| Male | 17 (70.8) |
| Female | 7 (29.2) |
| BMI (mean ± SD) (kg/m2) | 22.5 ± 3.6 |
| Tumor depth, n (%) | |
| Mucosa | 16 (66.7) |
| Submucosa | 6 (25.0) |
| Muscularis propria | 2 (8.3) |
| Tumor size (mean ± SD) (mm) | 31.6 ± 15.8 |
| Tumor location, n (%) | |
| Upper | 4 (16.7) |
| Middle | 14 (58.3) |
| Lower | 6 (25.0) |
| Tumor circumference, n (%) | |
| Less | 7 (29.2) |
| Gre | 6 (25.0) |
| Ant | 5 (20.8) |
| Post | 6 (25.0) |
| Macroscopic types, n (%) | |
| Elevated | 5 (20.8) |
| Depressed | 19 (79.2) |
| Histology, n (%) | |
| Diffuse | 8 (33.3) |
| Intestinal | 16 (66.7) |
| Nodal status, n (%) | |
| pN0 | 22 (91.7) |
| pN1 | 2 (8.3) |
| Lymphatic invasion, n (%) | |
| Yes | 3 (12.5) |
| No | 21 (87.5) |
| Vascular invasion, n (%) | |
| Yes | 4 (16.7) |
| No | 20 (83.3) |
| Prior endoscopic treatment, n (%) | |
| Yes | 2 (8.3) |
| No | 22 (91.7) |
| Surgical procedure, n (%) | |
| Open surgery | 9 (37.5) |
| Laparoscopic surgery | 15 (62.5) |
| Number of dissected LN (mean ± SD) | 19.5 ± 9.0 |
Ant, anterior wall; BMI, body mass index; gre, greater curvature; less, lesser curvature; LN, lymph node; post, posterior wall.