Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted with secondary crowding of the bronchovascular markings . There is no focal consolidation or large effusion . The cardiomediastinal silhouette is grossly unchanged . Chronic , presumably posttraumatic changes seen at the right shoulder with widening of the acromioclavicular joint and adjacent heterotopic calcifications .
    OUTPUT:
    
No acute cardiopulmonary process .