<prompt> Causes of exudative pleural effusion all exceptMesotheliomaLiver cirrhosisTBEsophageal perforation  <response>: Ans. b Liver cirrhosis. Ref. Harrison, Principles of Medicine 18thCh.263Features of Exudative pleural effusion1. Pleural fluid proteinserum protein 0.52. Pleural fluid LDHserum LDH 0.6ETIOLOGY:ExudativeTransijdative1.Neoplastic1 CCF2.Infections2. Cirrhosis3.Pulmonary embolism3. Pulmonary embolism4.Collagen vascular disease4. Nephrotic syndrome5.GIT esophageal perforation, etc5. Mwxedema6.Sarcoidosis6. SVC obstruction7.Uremia7. Per itoneal dialysis8.Asbestosis8. Uriinothorax9.Post CABG 10.Post radiation 11.Trauma hemothorax 12.Meigs and yellow nail syndrome 13.Pericardial disease 14.Chylothorax 15.Ovarian hyperstimulation 16.Post cardiac injury syndrome 17.Trapped lung 18.Drugs nitrofurantoin, dantrolene, amiodarone, procarbazine, methysergide, bromocryptine 