Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable supine frontal image of the chest . There are low lung volumes . Pulmonary vascular congestion is present . There is mild to moderate pulmonary interstitial opacities , probably reflecting pulmonary edmea , but can not rule out atypical pneumonia . No focal consolidation or mass is seen . The bilateral costophrenic angles are blunted , suggestive of small bilateral pleural effusions . The cardiomediastinal silhouette is top - normal in size .
    OUTPUT:
    
Mild to moderate pulmonary interstitial process , probably reflecting pulmonary edema , but atypical pneumonia may produce a similar radiographic pattern . Recommend short term follow up radiographs after diuresis given clinical suspicion for pneumonia .