Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . A Port - A - Cath resides over the right chest wall with catheter tip in the region of the mid SVC . Lung volumes are low though allowing for this the lungs appear clear . No convincing signs of pneumonia , edema , effusion or pneumothorax . The heart and mediastinal contours appear normal and stable . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process .