Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are clear of consolidation or pulmonary edema . Streaky bibasilar opacities suggestive of atelectasis versus scarring given persistence over time . There has been interval resolution of previously seen small left pleural effusion . Cardiomediastinal silhouette is stable . Slight deviation of the trachea to the left at the thoracic inlet is due to a tortuous brachiocephalic artery as seen on CT from ___ . No acute osseous abnormality is detected . Old left lateral rib fracture is seen .
    OUTPUT:
    
No definite acute cardiopulmonary process .