Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is obscuration of the right heart border with a thin wedge of opacity on the lateral compatible with right middle lobe atelectasis . The lungs elsewhere are clear . Cardiomediastinal silhouette is otherwise unremarkable . No acute osseous abnormality detected .
    OUTPUT:
    
Right middle lobe opacity compatible with atelectasis noting that component infection is possible .