Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mildly enlarged . The mediastinal and hilar contours are similar . There is mild pulmonary vascular congestion without overt pulmonary edema , new in the interval . Patchy bibasilar atelectasis is increased compared to the prior study . No large pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary vascular congestion , new in the interval , with increased mild bibasilar atelectasis .