Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear and lung volumes are normal . No pleural effusion , pneumothorax or focal airspace consolidation . Slight elevation of left hemidiaphragm is unchanged . Heart is normal size . No pulmonary edema . Mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .