Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is unchanged . Focal opacity obscuring the right heart border may represent aspiration versus pneumonia . There is increased bibasilar atelectasis . Small right pleural effusion is present . Mild pulmonary vascular congestion . The left lung base is incompletely visualized . Incompletely visualized left - sided pacer leads terminate in the right atrium and right ventricle . No pneumothorax . Enteric tube terminates in the stomach .
    OUTPUT:
    
1 . Focal opacity obscuring the right heart border may represent aspiration versus pneumonia . 2 . Small right pleural effusion . 3 . Mild pulmonary vascular congestion .