Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are hyperinflated . There is moderate cardiomegaly and an unfolded thoracic aorta . There is minimal bibasilar atelectasis . In addition , there is hazy opacity at the right lung base . On the lateral view , there is patchy opacity posteriorly , in ? right vs left lower lobe . The lung markings appear prominent , but this is likely technical -- doubt interstitial edema . There is no pneumothorax . Doubt gross effusion . There is no pneumothorax .
    OUTPUT:
    
1 ) Cardiomegaly . Doubt CHF . 2 ) Possible early infiltrate posteriorly .