Comparison of World Health Organization schema and the Suster and Moran histological classification of thymoma
| WHO | Suster and Moran |
|---|---|
| WHO, World Health Organization. | |
| Type A | Thymoma |
| Type AB | Thymoma |
| Type B1 | Thymoma |
| Type B2 | Thymoma |
| Type B3 | Atypical thymoma |