Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hazy opacification in the superior segment of the right lower lobe is new since the prior study , concerning for pneumonia . There is no pleural effusion , pneumothorax , or overt pulmonary edema . The left lung is grossly clear . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Pneumonia within the superior segment of the right lower lobe . Followup radiographs after treatment are recommended to ensure resolution .