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Lymph node metastasis in intramucosal and submucosal cases of three pathological types.
| DC (N = 335) | UDC (N = 210) | SRCC (N = 60) | P | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| n | LNM (+) | P | n | LNM (+) | P | n | LNM (+) | P | ||
| Intramucosal | 134 | 5 (3.7%) | 89 | 10 (11.2%) | 46 | 2 (4.3%) | 0.079 | |||
| Submucosal | 191 | 48 (25.1%) | 0.008 | 115 | 38 (33.0%) | <0.001 | 14 | 4 (28.6%) | <0.001 | 0.329 |
| Excluded | 10 | 1 (10.0%) | 6 | 1 (16.7%) | 0 | – | ||||
DC, differentiated carcinoma; UDC, undifferentiated carcinoma; SRCC, signet ring cell carcinoma.
