Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously noted right lower lobe heterogeneous opacities have resolved and were likely atelectatic . Heart size is top normal , and mediastinal silhouette is stable without central vascular congestion or interstitial edema . Lungs are clear . There is no large effusion or pneumothorax .
    OUTPUT:
    
No evidence of pulmonary edema . Previously noted right lower lobe opacities have resolved .