Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lung volumes are slightly low . Minimal streaky opacities in the lung bases may reflect areas of atelectasis though early aspiration can not be completely excluded . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Slightly low lung volumes . Mild streaky bibasilar opacities could reflect atelectasis , though early aspiration is not completely excluded . Consider repeat PA and lateral views with improved inspiratory effort for further assessment when the patient is able to do so .