Table 3.
Relationship between differentiation, depth of invasion and lymphovascular invasion with macroscopic type, size and histology
| Clinicopathologic-al features | Differentiation | p | Lymphovascular invasion | p | Depth of invasion | P | |||
|---|---|---|---|---|---|---|---|---|---|
| Differentiated (%) | Undifferentiated (%) | Absent (%) | Present (%) | Mucosa (%) | Submucosa (%) | ||||
| Macroscopic type | 0.001 | <0.001 | <0.001 | ||||||
| I/II | 189 (47.7) | 207 (52.3) | 372 (93.9) | 24 (6.1) | 266 (67.2) | 130 (32.8) | |||
| III/Mixed | 66 (32.8) | 135 (67.2) | 165 (82.1) | 36 (17.9) | 69 (34.3) | 132 (65.7) | |||
| Size (cm) | <0.001 | <0.001 | <0.001 | ||||||
| <2.0 | 149 (51.0) | 143 (49.0) | 278 (95.2) | 14 (4.8) | 191 (65.4) | 101 (34.6) | |||
| ≥2.0 | 106 (34.8) | 199 (65.2) | 259 (84.9) | 46 (15.1) | 144 (47.2) | 161 (52.8) | |||
| Histology | <0.001 | 0.255 | 0.724 | ||||||
| Adenocarcinoma | 241 (55.4) | 194 (44.6) | 395 (90.8) | 40 (9.2) | 246 (56.6) | 189 (43.4) | |||
| Other typesa | 14 (8.6) | 148 (91.4) | 142 (87.7) | 20 (45.4) | 89 (54.9) | 73 (45.1) | |||
Other typesa: signet-ring cell carcinoma, mucinous adenocarcinoma, etc