Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips again noted . There is plate and screw fixation of the left clavicle . Lungs are clear without focal consolidation , large effusion or pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .