1) Disorder of fascium 
A chylothorax (or chyle leak) is a type of pleural effusion. It results from lymphatic fluid (chyle) accumulating in the pleural cavity. ==Causes== Its cause is usually leakage from the thoracic duct or one of the main lymphatic vessels that drain to it. The most common causes are lymphoma and trauma caused by thoracic surgery. If the patient is o...
<chest medicine> An accumulation of chyle within the pleural space in the lung. ... (27 Sep 1997) ... 
(ki″lo-thor´aks) a pleural effusion consisting of chyle or a chylelike fluid; it may be either congenital (such as in babies) or acquired from trauma or disease states. There are two types: chylous effusion, due to leakage of chyle from the thoracic duct, and chyliform or pseudochylous effusion, consisting of chyl...
An accumulation of chylous fluid in the pleural space.
Type: Term Pronunciation: kī′lō-thōr′aks Definitions: 1. An accumulation of chylous fluid in the pleural space. Synonyms: chylopleura, chylous hydrothorax
chylothorax An accumulation of chyle within the pleural space (sides of the thorax trunk or between the neck and the abdomen) in the lung.