Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are low in volume with slightly elevation of the left hemidiaphragm but no focal airspace consolidation or pulmonary edema . The cardiomediastinal contours are within normal limits . No pleural effusion or pneumothorax is present . A left - sided subclavian catheter terminates in the distal SVC .
    OUTPUT:
    
No acute intrathoracic process .