Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is rotated to the right . Given these limitations , the lungs are hyperinflated compatible with COPD . There are patchy opacities at the lung bases . The heart is not enlarged . The aorta is somewhat tortuous . There is no pleural effusion or pneumothorax detected . No pulmonary edema is seen .
    OUTPUT:
    
Study limited by patient rotation . Slightly low lung volumes , with bibasilar patchy opacities , likely atelectasis , although infection is difficult to exclude .