This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax And Mediastinum, Subject name: Surgery
True about chylothorax: 
Select and explain. 
A. Left side more common, B. Clear fluid, C. Immediate thoracotomy should be done, D. TOC is excision and ligation of thoracic duct
D: TOC is excision and ligation of thoracic duct
Answer: D: TOC is excision and ligation of thoracic duct 
Explanation: Chylothorax A chylothorax occurs when the thoracic duct is disrupted and chyle accumulates in the pleural space MC cause of chylothorax: Trauma (most frequently thoracic surgery) More common on right side Treatment Treatment of choice: Chest tube inseion + Administration of octerotide and Medium chain triglycerides An alternative treatment is ligation of the thoracic duct Patients with chylothoraxes should not undergo prolonged tube thoracostomy with chest tube drainage because this will lead to malnutrition and immunologic incompetence.