Table 1.
Patient’s characteristics and tumor clinicopathological characteristics
| Characteristic | Value |
|---|---|
| Patient | 79 (100) |
| Age (yr) | 64.6 ± 11.6 |
| Sex | |
| Male | 56 (70.9) |
| Female | 23 (29.1) |
| Body mass index (kg/m2) | 24.8 ± 3.9 |
| ASA PS classification | |
| I | 29 (36.7) |
| II | 48 (60.8) |
| III | 2 (2.5) |
| Previous abdominal surgery | 12 (15.2) |
| Preoperative ESD | 10 (12.7) |
| No. of tumors | |
| 1 | 75 (94.9) |
| 2 | 4 (5.1) |
| Tumor location | |
| Lower third | 39 (49.4) |
| Middle third | 34 (43.0) |
| Upper third | 6 (7.6) |
| Pathological tumor size (mm) | 20.3 ± 11 |
| Pathological proximal margin (mm) | 41.7 ± 26.8 |
| Pathological distal margin (mm) | 78.0 ± 41.6 |
| Clinical stagea) | |
| 0 (Tis) | 6 (7.6) |
| T1N0M0 | 66 (83.5) |
| T2N0M0 | 7 (8.0) |
| Depth of invasiona) | |
| Tis | 4 (5.1) |
| T1 | 71 (89.9) |
| T2 | 1 (1.3) |
| T3 | 2 (2.5) |
| T4 | 1(1.3) |
| Node metastasisa) | |
| N0 | 70 (88.6) |
| N1 | 5 (6.3) |
| N2 | 2 (2.5) |
| N3 | 1 (1.3) |
| TNM stagea) | |
| LGD/HGD | 4 (5.1) |
| I | 70 (88.6) |
| II | 2 (2.5) |
| III | 3 (3.8) |
Values are presented as number (%) or mean ± standard deviation.
ASA PS, American Society of Anesthesiologists physical status; ESD, endoscopic submucosal dissection; LGD, low-grade dysplasia; HGD, high-grade dysplasia.
a)According to the 8th edition of the American Joint Committee on Cancer TNM classification of gastric carcinoma.