Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiograph demonstrates clear lungs . No focal consolidations are seen . A left chest port is identified with its tip in unchanged position at the cavoatrial junction . Cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . No acute osseous abnormality is seen .
    OUTPUT:
    
No acute intrathoracic abnormality .