Table 1 Clinicopathologic features of 644 patients with early gastric cancer
Variables | Gastrectomy (n = 310) | Endoscopic resection (n = 334) | Total (n = 644) |
|---|---|---|---|
Sex | |||
Male | 211 (68.1) | 256 (76.6) | 467 (72.5) |
Female | 99 (31.9) | 78 (23.4) | 177 (27.5) |
Size (cm) | |||
≤ 2 | 103 (33.2) | 217 (65.0) | 320 (49.7) |
2.1–3.0 | 78 (25.2) | 71 (21.2) | 149 (23.1) |
> 3 | 129 (41.6) | 46 (13.8) | 175 (27.2) |
Gross type | |||
Elevated | 56 (18.1) | 89 (26.7) | 145 (22.5) |
Flat | 121 (39.0) | 133 (39.8) | 254 (39.4) |
Depressed | 133 (42.9) | 112 (33.5) | 245 (38.1) |
pT stage | |||
1a | 156 (50.3) | 269 (80.5) | 425 (66.0) |
1b | 154 (49.7) | 65 (19.5) | 219 (34.0) |
Histologic type | |||
Well differentiated | 58 (18.7) | 206 (61.7) | 264 (41.0) |
Moderately differentiated | 91 (29.4) | 99 (29.6) | 190 (29.5) |
Poorly differentiated | 99 (31.9) | 21 (6.3) | 120 (18.6) |
Signet ring cell carcinoma | 58 (18.7) | 5 (1.5) | 63 (9.8) |
Mucinous adenocarcinoma | 3 (1.0) | 1 (0.3) | 4 (0.6) |
Lymphoepithelioma-like | 1 (0.3) | 2 (0.6) | 3 (0.5) |
Lymphatic invasion | 46 (14.8) | 23 (6.9) | 69 (10.7) |
Vascular invasion | 5 (1.6) | 2 (0.6) | 7 (1.1) |
Perineural invasion | 6 (1.9) | 0 (0) | 6 (0.9) |
Adenomatous background | 15 (4.8) | 80 (24.0) | 95 (14.8) |