Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . A chest wall pacer is noted on the left with dual leads extending into the expected location of the right atrium and right ventricle , not significantly changed . A ventriculostomy shunt catheter traverses the anterior chest wall . Lungs are clear bilaterally without focal consolidation , effusion , or pneumothorax . No signs of CHF with cardiomediastinal silhouette remaining normal . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .