Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The lung volumes are low . Mediastinal and cardiac contours are normal . ET tube is in adequate position , ending 3 .4 cm above carina . NG tube has been removed . There is no pneumothorax or pleural effusion . Diffuse increase in density of all the bones is explained by known metastatic breast cancer .
    OUTPUT:
    
1 . ET tube is in adequate position . 2 . There is no evidence of pneumonia .