Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Volume loss in the right hemithorax inferior and postthoracotomy changes are compatible with history of right lower lobar lobectomy . Linear opacity at the left lung base suggestive of atelectasis versus scarring . The lungs are clear of consolidation or effusion . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary process .