Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Lower lung volumes seen on the current exam , particularly on the frontal . Linear left basilar opacity suggestive of atelectasis versus scarring . The lungs are otherwise clear without consolidation , effusion , or pulmonary vascular congestion . Cardiomediastinal silhouette is within normal limits . Calcific densities project over the right axilla . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute cardiopulmonary process .