Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild - to - moderate right pleural effusion is new . Ill - defined opacity in the right lower medial lung and in the left lower lung in the retrocardiac region is concerning for pneumonia ( given the clinical history ) . There is no pleural effusion on the left side . Upper lungs are clear . Heart size , mediastinal and hilar contours are unchanged .
    OUTPUT:
    
Mild - to - moderate right pleural effusion and ill - defined opacity in the right lower medial lung and the left lower lung are concerning for pneumonia . Dr . ___ ___ the findings with Dr . ___ by phone on ___ at 4 :43 p .m .