Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA frontal and lateral chest radiograph demonstrates well expanded and clear lungs with no focal consolidation . There is no nodule or mass identified . There is no pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are within normal limits and unchanged when compared to chest radiograph dated ___ . Osseous structures are unremarkable .
    OUTPUT:
    
Since ___ , there has been no interval change . No intrathoracic metastasis .