Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , as before , suggesting COPD . Blunting of bilateral costophrenic sulci secondary to a diaphragmatic flattening and unchanged . There is no evidence for pneumothorax , pleural effusion , pulmonary edema , pulmonary consolidation . Heart size is mildly prominent . The aorta is calcified and tortuous . Hilar contours are stable with prominent central pulmonary arteries . Eventration of the right hemidiaphragm is again noted . The bones are demineralized . The ribs are not well assessed for fractures , as they are under penetrated for better evaluation of the lungs . No obvious rib fracture is seen . Mild dextroconvex thoracic curvature is again seen . Degenerative changes are again seen in the thoracic spine .
    OUTPUT:
    
1 . COPD without evidence for acute cardiopulmonary abnormalities . 2 . The ribs are not well assessed .