<unk>  is a rare but fatal complication of certain surgical procedures and can occur during deep sea diving.<unk>  is an air bubble in the body.
If an<unk>  occurs during deep sea diving, it is called Decompression Sickness (DCS), Caissons Disease, or "the bends".
Air embolism
Pulmonary aspiration
Aspiration pneumonia
Trapped lung
Pulmonary hemorrhage
Round pneumonia
Airway obstruction
Lung infarction