Imaging Conference CasesDiagnosis With Brief Discussion
| WHO | Muller-Hermelink | Suster-Moran |
| A | Medullary thymoma | |
| AB | Mixed thymoma | Thymoma |
| B1 | Predominantly cortical thymoma | |
| B2 | Cortical thymoma | |
| B3 | Well-differentiated thymic carcinoma | Atypical thymoma |
| C | Malignant thymoma, category II | Thymic carcinoma |