Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest ___ at 15 :34 is submitted .
    OUTPUT:
    
Lung volumes have improved and there streaky bibasilar opacities which may reflect scarring or subsegmental atelectasis but without significant change since ___ . There is blunting of both posterior costophrenic angles consistent with tiny bilateral effusions or chronic pleural thickening . The bones are osteopenic and there are diffuse degenerative changes throughout the visualized thoracolumbar spine but no obvious vertebral compression fractures . Calcification of the aorta consistent with atherosclerosis . Overall cardiac and mediastinal contours are stable . No evidence of focal airspace consolidation or pulmonary edema . No pneumothorax .