Which of the interstitial lung diseases will in one-third of patients cause a chylothorax?

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Lymphangioleiomyomatosis (LAM) is a rare disorder of abnormal smooth muscle tissue proliferating around small airways leading to severe obstruction and destruction of alveoli with resultant thin-walled cyst formation. Unilateral or less commonly bilateral chylothorax is seen in approximately one-third of patients. This results from lymphatic obstruction by abnormal smooth muscle tissue.

Which of the Interstitial Lung Diseases Will in One-Third of Patients