Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube is well - positioned , 3 cm above the carina . A right - sided MediPort terminates in the upper SVC . Clips are seen in the right neck from prior thyroidectomy . The lungs are clear . No pleural effusion , pneumothorax or focal airspace consolidation . There is persistent elevation of the left hemidiaphragm from at least ___ . The heart is normal size . Mediastinum and hilar structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .