Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . There is elevation of the right hemidiaphragm with opacity at the posterior right lung base which is concerning for pneumonia with effusion . The left lung is clear . The heart and mediastinal contours appear normal . No pneumothorax . Bones appear intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Findings concerning for right lower lobe pneumonia with associated small effusion .