Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ radiograph , with mild cardiomegaly has slightly increased , and is accompanied by pulmonary vascular congestion , interstitial edema and small bilateral pleural effusions . Focal opacity in right lower lobe partially obscures the posterior right hemidiaphragm .
    OUTPUT:
    
Congestive heart failure with interstitial edema and small pleural effusions . Focal right basilar opacity could reflect atelectasis or aspiration , but followup radiographs after diuresis may be helpful to exclude a developing pneumonia at the site if warranted clinically .