<unk>  is a specific form of lung inflammation (pneumonia) that develops when<unk> s enter the bronchial tree. The disorder is sometimes called cholesterol pneumonia in cases where that<unk>  is a factor.
Lipid pneumonia
Dust pneumonia
Atypical pneumonia
Fungal pneumonia
Parasitic pneumonia
Viral pneumonia
Bacterial pneumonia
Necrotizing pneumonia