Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted with crowding of the bronchovascular markings . The lungs are clear without consolidation , effusion , or overt pulmonary edema . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities . Calcification noted the region of the coracoclavicular ligament likely from prior injury . Chronic posterior right sixth and seventh rib fractures are noted .
    OUTPUT:
    
No acute cardiopulmonary process .