Table 3.
Tumor Criteria in This Study
| Score | Definition |
|---|---|
| 0 | No tumor |
| 1 | Low-grade dysplasia |
| 2 | High-grade dysplasia |
| 3 | Intra-mucosal adenocarcinoma (carcinoma in situ) |
| 4 | Invasive carcinoma |
| 5 | Distant metastasis |
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