Left-sided pigtail drain noted. Diffuse bilateral reticular interstitial pattern and cystic lucencies are consistent with the known history of lymphangioleiomyomatosis. No residual pneumothorax detected. Blunting of the costophrenic angles most likely related to pleural thickening. The cardiothoracic ratio within normal limits. Mediastinal contours are unremarkable. No bony abnormality.