Table 2.
Endoscopic and Pathological Features
| Variable | Patients with LNM (n=173) |
Patients without LNM (n=1,213) |
p-value |
|---|---|---|---|
| Tumor size, mm | 18 (13–24) | 18 (12–25) | 0.938 |
| Morphology | 0.809 | ||
| Nonpedunculated | 125 (72.3) | 891 (73.5) | |
| Pedunculated | 48 (27.7) | 322 (26.5) | |
| Hardness | 152 (87.9) | 925 (76.3) | <0.001 |
| Expansion | 99 (57.2) | 685 (56.5) | 0.925 |
| White spot | 86 (49.7) | 466 (38.4) | 0.006 |
| Ulceration/depression | 101 (58.4) | 543 (44.8) | 0.001 |
| Tumor histology | <0.001 | ||
| WD | 35 (20.2) | 474 (39.1) | |
| MD | 122 (70.5) | 702 (57.9) | |
| PD | 9 (5.2) | 21 (1.73) | |
| SRCC | 3 (1.7) | 1 (0.1) | |
| Mucinous adenocarcinoma | 3 (1.7) | 12 (1.0) | |
| Others | 1 (0.6) | 3 (0.2) | |
| Tumor budding | 0.031 | ||
| Grade 1 | 126 (72.8) | 976 (80.5) | |
| Grade 2 or 3 | 44 (25.4) | 222 (18.3) | |
| Depth of SM invasion | 0.01 | ||
| Deep | 136 (78.6) | 833 (68.7) | |
| Superficial | 37 (21.4) | 380 (31.3) | |
| Lymphovascular invasion | <0.001 | ||
| Negative | 97 (56.1) | 991 (81.7) | |
| Positive | 76 (43.9) | 222 (18.3) |
Data are presented as median (range) or number (%).
LNM, lymph node metastasis; WD, well differentiated; MD, moderately differentiated; PD, poorly differentiated; SRCC, signet-ring cell carcinoma; SM, submucosa.