Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest are provided . Left chest wall Port - A - Cath is again noted with catheter tip extending to the level of the low SVC . The lungs are clear bilaterally . No pleural effusion or pneumothorax . No free air below the right hemidiaphragm . The cardiomediastinal silhouette appears normal . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .