Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . VP shunt tubing courses over the left hemi thorax . A prominent epicardial fat pad abuts the left heart border accounting for subtle opacity obscuring left heart border . No convincing signs of pneumonia . No edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process .