Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable AP chest radiograph demonstrates re - demonstration of bibasilar atelectasis . Blunting of bilateral costophrenic angles suggests small pleural effusions . Right chest port is present its tip at the upper right atrium . There is no pulmonary edema . Cardiomediastinal and hilar contours are stable in appearance .
    OUTPUT:
    
No convincing evidence to suggest infection . Bibasilar opacities likely atelectasis