Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are somewhat low . The left hemidiaphragm is mildly elevated . There is streaky density bilaterally most consistent with subsegmental atelectasis or scarring . Bronchovascular markings are prominent . There is no focal consolidation . The heart and mediastinal structures are unremarkable for technique . The bony thorax is grossly intact . Ill - defined increased density is no longer apparent at the right lung base . There is no other significant change .
    OUTPUT:
    
Low lung volumes . Subsegmental atelectasis . No consolidation .