Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of chest . The lungs remain clear . There is no effusion , consolidation or pulmonary vascular congestion . Cardiomediastinal silhouette is stable . Multiple old healed left rib fractures are again noted but there is no acute osseous abnormality detected .
    OUTPUT:
    
No acute cardiopulmonary process .