Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is tortuous . Low lung volumes results in crowding of the bronchovascular structures without overt pulmonary edema . Patchy opacity in the right lung base may reflect atelectasis . No focal consolidation , pleural effusion or pneumothorax is detected . There are no acute osseous abnormalities visualized .
    OUTPUT:
    
Low lung volumes with patchy right basilar opacity , potentially atelectasis .