Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent elevation of the left hemidiaphragm . The heart and mediastinum is shifted slightly to the right . No focal consolidations are seen . There is no evidence of pneumothorax or pleural effusions . The thoracic aorta is slightly ectatic . Osseous structures are grossly unchanged .
    OUTPUT:
    
No acute intrathoracic process . Stable elevation of the left hemidiaphragm .