Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The heart is normal in size , and cardiomediastinal contour is unremarkable . Lungs are symmetrically expanded and clear . There is no pleural effusion and no pneumothorax . On the lateral view , multiple clips project over the heart , but are not visualized on the frontal view .
    OUTPUT:
    
No acute intrathoracic abnormality .