Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided tunneled dialysis catheter terminates in the right atrium . The patient is post-median sternotomy . The heart size is top normal . There is mild pulmonary vascular congestion with mild interstitial edema . Mild bibasilar linear opacities are most compatible with atelectasis . There is no focal consolidation or pneumothorax . The right costophrenic angle is excluded from this examination , but no large effusion is seen .
    OUTPUT:
    
Mild interstitial edema and pulmonary vascular congestion .