Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Right chest wall Port - A - Cath is new from prior exam with catheter tip extending to the mid to lower SVC region . Lung volumes are low limiting assessment though allowing for this , the lungs are clear . No signs of pneumonia , edema , large effusion or pneumothorax . The cardiomediastinal silhouette is stable . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Interval placement of a Port - A - Cath , tip positioned in the mid to lower SVC . No acute intrathoracic process .