Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is tortuous and demonstrates calcifications of the aortic knob . Small bilateral pleural effusions with mild pulmonary vascular engorgement is noted . Additionally , patchy opacities in the lung bases may reflect aspiration or infection , and less likely atelectasis . No pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary vascular congestion with small bilateral pleural effusions . Patchy bibasilar airspace opacities may reflect pneumonia , aspiration , and less likely atelectasis .