Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable view of the chest is compared to previous exam from ___ . Given differences in positioning and technique , there has been no significant interval change . Lungs are clear of focal consolidation . Cardiomediastinal silhouette is within normal limits for technique . Lower cervical / upper thoracic cervical fixation hardware is identified in addition to old left lateral rib fracture .
    OUTPUT:
    
No acute cardiopulmonary process .