Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are normal . There is no focal consolidation , effusion or pneumothorax . There is no pulmonary vascular engorgement or overt pulmonary edema . Previously seen left basilar opacity has resolved . Mediastinal and hilar contours are stable . Atherosclerotic calcifications at the aortic arch are noted . Allowing for differences in technique , mild cardiomegaly is unchanged . Left lateral rib fractures are chronic . Intervertebral disc height loss in the mid thoracic spine at two continuous levels is unchanged .
    OUTPUT:
    
No evidence of pneumonia .