Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral multifocal pneumonia , most severe in the right perihilar region is unchanged in the severity since ___ . Moderately enlarged heart size is chronic and stable . Mediastinum and hilar unremarkable . There is evidence of prior median sternotomy and sternal sutures are intact . There is no pleural effusion . Mild vascular congestion is present .
    OUTPUT:
    
Bilateral multifocal pneumonia , most severely involving around the right perihilar region is unchanged since ___ .