Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright PA and lateral radiographs of the chest . The lungs are normally expanded and clear . There is no focal air space consolidation . The cardiomediastinal silhouette and hilar contours are normal . There are three small relatively linear densities projecting near the inferior aspect likely related to the humeral heads , perhaps from prior procedure . This is not visualized on the frontal projection . There is no pleural effusion or pneumothorax . The osseous structures are grossly intact without evidence of displaced fracture . The upper thoracic vertebral body levels are obscured by the shoulders .
    OUTPUT:
    
No acute cardiopulmonary abnormality . These results were telephoned to ___ by ___ at 1 :32 p .m . , ___ .