Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear , without consolidation or were pulmonary edema . The cardiac silhouette remains enlarged , secondary to pericardial effusion as seen on CT of the chest from ___ . Left basilar consolidation is more prominent , likely atelectasis . The mediastinal and hilar contours are unremarkable . Mild left pleural effusion is similar . Trace right pleural effusions . There is no pneumothorax . There are degenerative changes of the left glenohumeral joint and bilateral acromioclavicular joints .
    OUTPUT:
    
1 . No pneumothorax .