A<unk>  is a type of pleural effusion that arises as a result of a pneumonia, lung abscess, or bronchiectasis. There are three types of<unk> s: uncomplicated effusions, complicated effusions, and empyema. Uncomplicated effusions generally respond well to appropriate antibiotic treatment.
Parapneumonic effusion
Pleurisy
Pleural empyema
Pulmonary consolidation
Pleural effusion
Malignant pleural effusion
Pulmonary infiltrate
Subpulmonic effusion