Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes , particularly on the right . Relative right hemidiaphragmatic elevation is noted . Allowing for such , the cardiomediastinal silhouette is within normal limits . There is no pneumothorax , confluent consolidation , or large effusion . A 6 - mm rounded density projecting over the left clavicle is consistent with a bone island upon correlation with a preceding CT cervical spine . Trace linear atelectasis is present in the left base . Mild multilevel thoracolumbar spondylosis is noted .
    OUTPUT:
    
1 . No definite acute cardiopulmonary process . 2 . No appreciable displaced osseous injury . 3 . No definite evidence to suggest pneumonia .