Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interstitial pulmonary edema is present in the setting of moderate - to - severe cardiomegaly , which is stable from the previous exam . There is a left - sided pleural effusion as well as a retrocardiac opacity overlying the spine better seen in the lateral view . No pneumothorax .
    OUTPUT:
    
Interstitial pulmonary edema and a left - sided pleural effusion on the setting of stable moderate to severe cardiomegaly . A retrocardiac opacity overlying the lower thoracic spine may represent pulmonary consolidation versus superimposition of bony structures . Correlate with evidence of pneumonia and if further assessment is necessary a chest CT should be pursued .