Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The heart size is exaggerated as a result , and appears mildly enlarged . The aorta is unfolded . There is crowding of the bronchovascular structures without overt pulmonary edema . Streaky opacities in the lung bases are most likely reflective of atelectasis . Infection is not completely excluded . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes with bibasilar patchy opacities most likely reflective of atelectasis . Infection , however , is not completely excluded .