Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a hazy opacity in the right mid to lower lung ___ which is not definitely seen on the lateral radiograph . This is concerning for a possible pneumonia or aspiration . There is no evidence of pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Hazy opacification in the right mid to lower lung ___ , ___ be due to infection or aspiration .