Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear consolidation , effusion or pulmonary vascular congestion . Linear opacities at the left lung base and right mid lung are suggestive of scarring , unchanged . Cardiomediastinal silhouette is normal . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary process , no evidence of congestive failure .