Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest with dedicated views of the rib ribs were obtained for a total of 7 images . Lung volumes are slightly low , resulting in bronchovascular crowding . There is mild bibasilar atelectasis . No focal consolidation , pleural effusion or pneumothorax . Heart size is normal . Mediastinal silhouette and hilar contours are normal allowing for lung volumes . No free air is seen under the diaphragm . No displaced rib fracture is seen . There is mild loss of thoracic vertebral body height in the mid thoracic spine of unknown chronicity . Acromioclavicular joint arthropathy is seen with calcification adjacent to the humeral head , which may represent calcific tendinopathy .
    OUTPUT:
    
1 . No focal consolidation . 2 . No displaced rib fracture . 3 . Loss of vertebral height in the mid thoracic spine may be degenerative , but exact chronicity is unknown . Correlate with site of patient 's pain .