Table 5.
Lymph node metastasis in pure and mixed early gastric cancer.
| Pure (n = 291) | Mixed (n = 314) | P | |||
|---|---|---|---|---|---|
| n | LNM+ (%) | n | LNM+ (%) | ||
| Pathological type | |||||
| SRCC | 43 | 4 (9.3% ) | 17 | 2 (11.8%) | 1.0 |
| DC | 167 | 12 (7.2% ) | 168 | 42 (25%) | <0.001 |
| UDC | 81 | 20 (24.7%) | 129 | 29 (22.5%) | 0.712 |
| All | 291 | 36 (12.4%) | 314 | 73 (23.2%) | 0.001 |
| Infiltration depth | |||||
| Intramucosal | 138 | 4 (2.9%) | 131 | 13 (9.9%) | 0.018 |
| Submucosal | 146 | 31 (21.2%) | 174 | 59 (33.9%) | 0.012 |
| Excluded | 7 | 1 (14.3%) | 9 | 1 (11.1%) | 1.0 |
DC, differentiated carcinoma; UDC, undifferentiated carcinoma; SRCC, signet ring cell carcinoma.