Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen are scattered interstitial markings and diffuse ground - glass airspace opacities , left greater than right , with relative sparing of the right upper lobe . These appear similar to chest CT from ___ , with resolution of superimposed edema seen on ___ . Mild cardiomegaly is unchanged . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
Acute episode of chronically recurrent pulmonary abnormality , previously correlated with cocaine use .