Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There are streaky left greater than right bibasilar opacities . Elsewhere the lungs are clear without large effusion or pulmonary vascular congestion . Blunting of the posterior costophrenic angles may be due to trace effusions . There is also suggestion of a hiatal hernia . The cardiac silhouette is enlarged . No acute osseous abnormalities detected .
    OUTPUT:
    
Cardiomegaly . Mild bibasilar opacities , potentially due to atelectasis noting infection is not totally excluded . Probable hiatal hernia .