Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is blunting of the right lateral and posterior costophrenic angles suggesting small effusion . Adjacent right lung base is also noted . On the lateral view , there is a linear opacity projecting over the cardiac silhouette as on prior suggesting scarring . The lungs are otherwise clear . The cardiomediastinal silhouette is within normal limits given low lung volumes on the frontal view . No acute osseous abnormalities .
    OUTPUT:
    
Small right pleural effusion . Adjacent opacity could represent adjacent atelectasis although infection would be difficult to exclude .