Demographic and clinical characteristics (n=44)
| Female sex | 40 (91) |
| Age at diagnosis years median (interquartile range) | 65 (56–69) |
| Smoking status | |
| Never | 31 (73) |
| Previous | 11 (25) |
| Current | 1 (2) |
| Presenting symptoms | |
| Cough | 30 (68) |
| Dyspnoea | 13 (30) |
| Wheezing | 5 (11) |
| Dysphonia | 1 (2) |
| None | 6 (14) |
| Lung biopsy method | |
| Surgical | 42 (95) |
| Bronchoscopic | 2 (5) |
Data are presented as n (%) unless otherwise stated.