Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Cardiomediastinal silhouette is difficult to assess in the setting of low lung volumes . No pneumothorax or pleural effusion . Partially imaged spinal hardware is noted . Degenerative changes of the thoracic spine are moderate with probable calcification anterior longitudinal ligament . Degenerative changes in sequelae of prior proximal humeral fracture only partially imaged on the right .
    OUTPUT:
    
Low lung volumes without definite evidence of traumatic injury on this nondedicated exam . Correlate with focal the exam findings in obtain dedicated imaging as needed to evaluate for trauma .