On the left a case with multiple cysts that are evenly distributed througout the lung ( in contrast to LCH). Notice the pneumothorax. There was no history of smoking and this was a 40 year old female. This combination of findings is typical for Lymphangiomyomatosis (LAM). #Clinical #Radiology #CTChest #LAM #Lymphangiomyomatosis #Pneumothorax #RadiologyAssistant