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Relationship between localization of claudin‐1 expression and clinicopathological features of claudin‐1‐high patients
| No. of patients | |||
|---|---|---|---|
| Intracellular | Membrane | ||
| Differentiation | |||
| Well | 9 | 15 | |
| Moderate | 8 | 6 | |
| Poor | 4 | 0 | P = .06 |
| YK classification | |||
| YK‐1 | 0 | 0 | |
| YK‐2 | 0 | 3 | |
| YK‐3 | 12 | 14 | |
| YK‐4c | 6 | 4 | |
| YK‐4d | 3 | 0 | P = .10 |
| Local recurrence | |||
| Positive | 4 | 1 | |
| Negative | 17 | 20 | P = .34 |
| Cervical lymph node metastasis | |||
| Positive | 15 | 2 | |
| Negative | 6 | 19 | P = .0000929 |
| Distant organ metastasis | |||
| Positive | 2 | 0 | |
| Negative | 19 | 21 | P = .48 |
