Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , a patchy basilar opacities are new , more pronounced on the right . No change in the positioning of the left - sided pacemaker , with leads terminating in the right atrium and right ventricle . There is mild central pulmonary vascular congestion . The heart is top normal in size . Bilateral pleural effusions are small , if any . No evidence of pneumothorax .
    OUTPUT:
    
Bibasilar patchy opacities are new , more pronounced on the right , and concerning for pneumonia or aspiration , given the clinical history . Mild pulmonary vascular congestion .