<unk>  is inflammation of the lungs and airways to the lungs (bronchial tubes) from breathing in foreign material.<unk>  occurs when foreign materials (usually food, liquids, vomit, or fluids from the mouth) are breathed into the lungs or airways leading to the lungs. This may lead to:
A collection of pus in the lungs (lung abscess)
Swelling and inflammation in the lung
A lung infection<unk>
Aspiration pneumonia
Bacterial pneumonia
Viral pneumonia
Pulmonary aspiration
Round pneumonia
Community-acquired pneumonia
Fungal pneumonia
Hospital-acquired pneumonia