Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , but clear focal opacities concerning for pneumonia . Linear opacities at the left base represents atelectasis / scarring . Compared to the prior study , there are new small bilateral pleural effusions . There is no pneumothorax or pulmonary edema . Aorta is unfolded with atherosclerotic calcifications at the arch . Cardiac silhouette is within normal limits . Thoracic vertebral heights appear maintained .
    OUTPUT:
    
1 . Hyperinflated lungs . 2 . New trace bilateral pleural effusions .