Lung histopathological findings
| Features | Subjects (n with finding/n tested) |
| Number of biopsies available for review | 10 (10/11) |
| Type of biopsy | |
| Open lung biopsy | 8 (8/10) |
| Transbronchial biopsy | 2 (2/10) |
| Follicular bronchiolitis | 7 (7/10) |
| Alveolar haemorrhage | 4 (4/10) |
| Airspace enlargement/cystic changes | 2 (2/10) |
| Acute lung injury with capillaritis | 2 (2/10)# |
| Interstitial fibrosis | 2 (2/10)¶ |
| Nondiagnostic | 1 (1/10) |
#: both subjects with this finding were related (father and daughter); ¶: both biopsies demonstrated non-usual interstitial pneumonitis.