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Expression of Claudin 18 protein in colorectal cancer tissues with and without perineural invasion.
| PNI status | Number of positive cases (%) | Number of negative cases (%) | Total number of cases | P value |
|---|---|---|---|---|
| PNI | 50 (56.8%) | 38 (43.2%) | 88 | 0.0263* |
| without PNI | 10 (33.3%) | 20 (66.7%) | 30 |
*Chi-Square Test.
