Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Overall unchanged appearance compared to the prior exam . Numerous bilateral pulmonary of metastases appear unchanged from the prior exam . Probable persistent collapse of the left upper lobe , although not fully assessed without the lateral view . Stable elevation of the left hemidiaphragm . Stable cardiomediastinal silhouette . No pleural effusion . No pneumothorax . No focal consolidation to suggest pneumonia . No acute osseous abnormality . The stomach is distended . Stable appearance of the staghorn calculus in the right kidney .
    OUTPUT:
    
No significant interval change . Stable numerous bilateral pulmonary metastases and left upper lobe collapse .