lower respiratory tract disease +

bronchial disease +
pleural disease +

acute chest syndrome
alveolar echinococcosis
bronchiolitis
bronchopulmonary dysplasia
capillariasis
cystic echinococcosis
dirofilariasis
Goodpasture syndrome +
granulomatosis with polyangiitis
hantavirus pulmonary syndrome
hyperlucent lung
interstitial lung disease +
invasive aspergillosis
lung abscess
lung benign neoplasm +
lung cancer +
lymphangioleiomyomatosis
maple bark strippers' lung
meconium aspiration syndrome
middle lobe syndrome
obstructive lung disease +
pneumocystosis
pneumonia +
pneumonic plague
pneumonic tularemia
pulmonary alveolar microlithiasis
pulmonary alveolar proteinosis
pulmonary artery disease +
pulmonary aspergilloma
pulmonary hemosiderosis
pulmonary immaturity
pulmonary plasma cell granuloma
pulmonary sarcoidosis
pulmonary systemic sclerosis
pulmonary tuberculosis
respiratory failure +
Silo filler's disease
sparganosis
strongyloidiasis
toxocariasis