Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged , minimally increased in size compared to the previous study . The aorta remains mildly tortuous . Mild pulmonary vascular congestion is demonstrated with new small bilateral pleural effusions . Patchy opacities in the lung bases likely reflect areas of atelectasis . No pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary vascular congestion and small bilateral pleural effusions . Probable bibasilar atelectasis .