Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Linear opacities identified at the lung bases , right greater than left , most suggestive of atelectasis . There is no confluent consolidation worrisome for infection . Cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications are noted at the aortic arch . No acute osseous abnormality is identified .
    OUTPUT:
    
Linear opacities at the lung bases , left greater than right , most suggestive of atelectasis without definite acute cardiopulmonary process .