Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal radiograph of the chest was performed and reveals no acute cardiopulmonary process . The cardiomediastinal and pleural structures are unremarkable . There is scarring in the upper lungs with superior traction of the hila . There is no pleural effusion or pneumothorax . Heart size is normal . Surgical hardware is seen at the right glenohumeral joint and ___ are seen within the abdomen with cardiophrenic angle may represent a small left pleural effusion as was previously seen approximately one month prior .
    OUTPUT:
    
No acute cardiopulmonary process .