Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small nodular opacities in the right base is concerning for pneumonia . Small right pleural effusions is seen . The left lung is mostly clear . Heart and mediastinal vein are enlarged compared to prior . Right - sided pacemaker is unchanged in position with leads in standard position .
    OUTPUT:
    
1 . Right lower lobe pneumonia with small right pleural effusion . Follow - up radiograph in 6 weeks following antibiotic therapy is recommended . 2 . Enlarged cardiomediastinal silhouette , possibly due to volume overload , right heart failure or pericardial effusion .