| Lymphoproliferative lung disorders | Computed tomography features |
| MALT lymphoma | Nodules or consolidation |
| Peribronchovascular | |
| Multiple/bilateral (70%) | |
| Hilar/mediastinal nodes (30%) | |
| Ground-glass attenuation (halo sign) | |
| Rarely cysts, pleural effusion, tree-in-bud | |
| High-grade primary large pulmonary B-cell lymphomas | Nodule or mass cavitation in 50% Rarely pleural effusion |
| Lymphomatoid granulomatosis | Bilateral nodules/masses |
| Peribronchovascular | |
| Coalescence and/or cavitate | |
| Pleural effusion (30%) | |
| Hilar adenopathies (<25%) | |
| Migratory | |
| Uncommon: single nodules, alveolar opacities and reticulonodular diffuse lesions | |
| Follicular lymphoma | Ground-glass opacities (crazy paving) |
| Nodules | |
| Intravascular large B-cell lymphoma | Bilateral reticular shadows |
| Reticulonodular or nodular shadows | |
| Ground-glass opacities | |
| Wedge-shaped subpleural opacities | |
| Pleural effusion | |
| Nasal-type T-/NK-lymphomas | Nodules or excavated masses |
| Pleural effusion | |
| Anaplastic large cell lymphoma, T-cell type | Masses or single nodules |
| Mycosis fungoides | Nodules with halo signs |
| Peripheral consolidation | |
| Crazy paving pattern | |
| Primary pulmonary Hodgkin disease | Solitary mass or multinodular disease |
| Air bronchograms or cavitation | |
| Pleural effusion, lymphadenopathy |
MALT: mucosa-associated lymphoid tissue; NK: natural killer cell.