Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . Previously visualized opacification in the posteroinferior aspect of the lingula has resolved . There is no focal consolidation . Small left pleural effusion is smaller . The mediastinal and hilar contours are normal . Heart size is normal .
    OUTPUT:
    
1 . Resolved lingular pneumonia . 2 . Small left pleural effusion is smaller .