Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates well expanded and clear lungs . There is no focal consolidation or pleural effusions . No pneumothorax is identified . The cardiomediastinal and hilar contours are within normal limits . The tip of a Hickman catheter is seen within the right atrium unchanged in position when compared to radiograph dated ___ .
    OUTPUT:
    
No intrathoracic findings to explain atypical chest pain .