Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable chest radiograph is provided . The lungs are well expanded . Pulmonary edema has resolved since the previous exam . There is no focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Interval resolution of pulmonary edema . No acute process .