Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . Single supine portable x-ray is provided . The lung volumes are low . This accentuates the bronchovascular markings . Evidence of calcified mediastinal lymph nodes are again seen in the right paratracheal region . No focal consolidations , pleural effusions , or evidence of pneumothorax is seen . Bones appear intact .
    OUTPUT:
    
Low lung volumes , however , no overt evidence of pneumonia .