Table 1: Potential causes of pleural effusions.

Cirrhosis [6] Congestive heart failure [6] Malignancies [7] Drug-induced [6, 8] Bacterial/viral pneumonia [6] Pulmonary embolism [6] Sarcoidosis [6] Lupus [9] Rheumatoid arthritis [10] Pancreatitis [6] Fungal infection [6] Asbestos exposure [11] Hemothorax [3–5] Trapped lung [12] Tuberculosis [10] Empyema [6] Hypothyroidism [6] Urinothorax [6] Constrictive pericarditis [6] Yellow nail syndrome [6] Chylothorax [6] Meigs’ syndrome [13] Dressler’s syndrome [14] Boerhaave syndrome [15]