Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . AICD is unchanged in position . Elevation of the right hemidiaphragm is again noted . The heart remains mildly enlarged . There is subtle increased opacity in the right mid to lower lung which in the right clinical setting could represent an early pneumonia . Left lung appears clear . No large pleural effusion or pneumothorax .
    OUTPUT:
    
Increased opacity in the right mid to lower lung is concerning for an early pneumonia .