Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased densities in the right lower lobe may be compatible with pneumonia in the correct clinical setting . Less so but still present increased densities are also noted in the left lower lobe , although these appear slightly more streaky possibly compatible with atelectasis . Heart size is normal . There is no pleural effusion , pneumothorax or overt pulmonary edema . Mediastinal contours are within normal limits .
    OUTPUT:
    
Increased right lower lobe opacities concerning for pneumonia .