Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mildly enlarged , not substantially changed in the interval . The mediastinal and hilar contours are similar . There is no focal consolidation , pleural effusion or pneumothorax present . There may be mild pulmonary vascular congestion , as seen previously , without frank pulmonary edema . Patchy opacities in the lung bases are compatible with areas of atelectasis . A TIPS catheter projects over the right upper quadrant of the abdomen . There are no acute osseous abnormalities .
    OUTPUT:
    
Possible mild pulmonary vascular congestion , as seen previously , with bibasilar atelectasis . No focal consolidation .