Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph , there is increased prominence of interstitial markings , likely due to worsening pulmonary edema . A focal opacity in the left upper lobe may represent infectious process , possibly aspiration . Hazy opacity at the left base may be combination of atelectasis or pleural effusion . The cardiomediastinal silhouette is mildly enlarged and unchanged . There is no pneumothorax . There is spinal fusion hardware .
    OUTPUT:
    
1 . Worsening pulmonary edema with focal opacity in left upper lobe concerning for pneumonia . These findings were discussed with with Dr . ___ by Dr . ___ ___ telephone at 3 pm .