Table 3.
Clinicopathological characteristics of early cases of three pathological types.
| DC (n = 335) | UDC (n = 210) | SRCC (n = 60) | P | |
|---|---|---|---|---|
| Sex | ||||
| Male | 235 (70.1%) | 105 (50%) | 34 (56.7%) | |
| Female | 100 (29.9%) | 105 (50%) | 26 (43.3%) | <0.001 |
| Age (years) | ||||
| <65 | 204 (60.9%) | 161 (76.7%) | 46 (76.7%) | |
| ≥65 | 131 (39.1%) | 49 (23.3%) | 14 (23.3%) | <0.001 |
| Tumor size (cm) | ||||
| ≤2 | 198 (59.1%) | 148 (70.5%) | 46 (76.7%) | |
| >2 | 137 (40.9%) | 62 (29.5%) | 14 (23.3%) | 0.003 |
| Macroscopic type | ||||
| I | 20 (6.0%) | 0 (0%) | 0 (0%) | |
| IIa | 14 (4.2%) | 6 (2.9%) | 1 (1.7%) | |
| IIb | 36 (10.7%) | 20 (9.5%) | 20 (33.3%) | |
| IIc | 175 (52.2%) | 123 (58.6%) | 30 (50.0%) | |
| III | 85 (25.4%) | 61 (29.0%) | 8 (13.3%) | |
| IIa+IIb | 1 (0.3%) | 0 (0%) | 0 (0%) | |
| IIa+IIc | 3 (0.9%) | 0 (0%) | 1 (1.7%) | |
| IIb+IIc | 1 (0.3%) | 0 (0%) | 0 (0%) | <0.001 |
| Pure/mixed | ||||
| Pure | 167 (49.9%) | 81 (38.6%) | 43 (71.7%) | |
| Mixed | 168 (50.1%) | 129 (61.4%) | 17 (28.3%) | <0.001 |
| Infiltration depth | ||||
| Intramucosal | 134 (40.0%) | 89 (42.4%) | 46 (76.7%) | |
| Submucosal | 191 (57.0%) | 115 (54.8%) | 14 (23.3%) | <0.001 |
| Excluded | 10 (3.0%) | 6 (2.8%) | 0 | |
| LNM | ||||
| + | 54 (16.1%) | 49 (23.3%) | 6 (10%) | |
| - | 281 (83.9%) | 161 (76.7%) | 54 (90%) | 0.024 |
DC, differentiated carcinoma; UDC, undifferentiated carcinoma; SRCC, signet ring cell carcinoma.