Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is mild bibasilar atelectasis . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . There are slightly low lung volumes . The aorta is calcified and tortuous . Cardiac silhouette is stable . There is no overt pulmonary edema .
    OUTPUT:
    
Left basilar atelectasis without definite focal consolidation .