Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes of slightly increased in their slightly less atelectasis at the lung bases , particularly in the right medial lower lobe . There tiny pleural effusions . There is no convincing pneumonia . Heart size remains top - normal in rib . As before , there is degenerative change in the right glenohumeral joint and disc degeneration to a mild degree in the thoracic and upper lumbar spine . Air-filled loops of bowel in the upper abdomen appear to be the colon and are not dilated
    OUTPUT:
    
Bibasilar atelectasis unlikely very small pleural effusions without convincing evidence of pneumonia .