Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires are again noted . There is a left chest wall Port - A - Cath with its tip in the region of the mid SVC . Lungs are clear without focal consolidation , large effusion or pneumothorax . The cardiomediastinal silhouette is stable and normal . Imaged bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .