Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There is consolidation at the right lung base with probable small right pleural effusion . Findings may reflect atelectasis or pneumonia . Left lung is clear . No signs of CHF . Cardiomediastinal silhouette appears grossly stable . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Right basilar opacity likely a combination of consolidation and effusion . Consolidation may reflect atelectasis and / or pneumonia .