| Tumorregression | Nominativ, Singular | nominative case, singular | |
| Tumorregressione | Genitiv, Singular | genitive case, singular | |
| Tumorregressionen | Dativ, Singular | dative case, singular | |
| Tumorregression(e)s | Akkusativ, Singular | accusative case, singular | |
| Tumorregressioner | Nominativ, Plural | nominative case, plural | |
| Tumorregressionern | Genitiv, Plural | genitive case, plural | |
| Tumorregressionn | Dativ, Plural | dative case, plural |