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The pathologic changes in the rat's stomachs in both normal and MNNG treated groups
| Pathologic result Groups |
Normal tissues | Chronic inflammation | Hyperplasia | Metaplasia | Dysplasia | Adenoma | Adeno-carcinoma |
|---|---|---|---|---|---|---|---|
| B4 | 1 | 0 | 1 | 0 | 3 | 0 | 0 |
| A | 5 | 0 | 0 | 0 | 0 | 0 | 0 |
| B1 | 0 | 0 | 1 | 1 | 2 | 1 | 0 |
| B2 | 0 | 0 | 1 | 0 | 3 | 0 | 0 |
| B3 | 1 | 0 | 0 | 0 | 3 | 0 | 0 |
