Chest radiograph stage at diagnosis and at follow-up of patients with sarcoidosis in childhood
| Chest radiograph stage# | Diagnosis | Follow-up |
| 0 | 4 (9) | 31 (80) |
| I | 28 (61) | 4 (10) |
| II | 12 (26) | 2 (5) |
| III | 2 (4) | 1 (3) |
| IV | 0 | 1 (3) |
| Total n | 46 | 39 |
Data are presented as n (%). Stage 0 can be described as normal; stage I as presenting mediastinal/hilar lymphadenopathy; stage II as mediastinal/hilar lymphadenopathy and parenchymal infiltrates; stage III as parenchymal infiltrates; stage IV as pulmonary fibrosis.