| International Harmonization of Rat Nomenclature |
| Recommendation | sources | ||
| WHO/IARC/RITA | NACAD | STP | |
| hyperplasia (H) | hyperplasia, epithelial (H) | hyperplasia, epithelial (H) | hyperplasia |
| adenoma (B) | adenoma (B) | adenoma (B) | adenoma |
| adenocarcinoma (M) | adenocarcinoma (M) | adenocarcinoma (M) | adenocarcinoma |
| metaplasia, squamous cell (N) | metaplasia, squamous cell (N) | ||
|
|