Examples of effusion fluid are pleural effusion and pericardial effusion. Pleurodesis is performed to prevent recurrence of pneumothorax or recurrent pleural effusion. Complications may include a pleural effusion or paraplegia. A pleural effusion may be detected. In case of pleural effusion, thoracentesis is performed for examination of pleural fluid. The presence of a pleural effusion argues against pneumocystis pneumonia. Complications may occur, such as exudative pleural effusion, empyema, and lung abscesses. Complications such as pleural effusion may also be found on chest radiographs. The causes of the ascites and pleural effusion are poorly understood. Clinical condition characterized by ovarian mass, ascites, and right-sided pleural effusion. A pleural effusion infiltrates the space between these layers. Pericarditis can progress to pericardial effusion and eventually cardiac tamponade. The ER workup reveals a bloody pleural effusion. Treatment depends on the underlying cause of the pleural effusion. A person can develop a pleural effusion in the absence of pleurisy.