Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , with exaggeration of bronchovascular markings . No focal consolidation . Streaky opacities at the left lung base , consistent with atelectasis . Cardiomediastinal contours are normal . No acute osseous abnormalities identified .
    OUTPUT:
    
Low lung volumes , without acute cardiopulmonary process .