Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . There is a Port - A - Cath overlying the right axilla with catheter tip extending into the expected location of the superior vena cava , unchanged . Lungs are clear bilaterally without signs of pneumonia or CHF . No pleural effusion or pneumothorax seen . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .