Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal , pleural and pulmonary structures are unremarkable . There is no pneumothorax or pleural effusion . There is no airspace consolidation to suggest pneumonia . The heart size is normal . Clip seen overlying the expected area of the gallbladder , likely from prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .