In some patients, the pleural fluid can be mo mammary species or at least cloudy. If after the center fugirovaniya pleural fluid remains cloudy or milky color, it is almost always the result of high concentrations of lipids, and can be observed in two cases. First, at rupture of the thoracic duct, chyle can penetrate into the pleural cavity and cause chylous pleural effusion. In this case, it is said that the coal chylothorax . Second, long-term existence of pleural vypothat pleural fluid may accumulate large Included Quantity cholesterol GUSTs or letsitinglobulinovyh complexes then formed hilezopodobly pleural effusion and say that the patient has pseudochilothorax . It is important to distinguish between these two states, as the prognosis and management of patients in these two SLN different teas.