Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mediastinal and hilar contours are unremarkable . Heart size is top normal . Left lower lung opacification is identified , concerning for pneumonia . Broad - based rounded opacification along the lateral wall of the right lower lung is likely pleural based possibly representing a lipoma . Please correlate with prior cross - sectional imaging . Multilevel degenerative change detected .
    OUTPUT:
    
Left lower lobe pneumonia . Broad , likely pleural - based rounded opacification projecting over the right lower lung may represent a lipoma , though can not exlcude malignancy . Please correlate with prior cross - sectional imaging or obtain dedicated non-urgent chest CT .