Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Relatively low lung volumes are noted . The lungs however are clear where not obscured by overlying leads and wires . Left chest wall Port - A - Cath is again noted . Median sternotomy wires and mediastinal clips are identified . The cardiomediastinal silhouette is within normal limits for technique .
    OUTPUT:
    
No acute cardiopulmonary process .