Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are linear opacities at the lung bases bilaterally most suggestive of atelectasis and / or scarring . There is no consolidation worrisome for pneumonia . Cardiac silhouette is top - normal in size . There is tortuosity of the descending thoracic aorta . Known diffuse lytic lesions throughout all visualized osseous structures are better seen on prior CT . Acute kyphosis at a lower thoracic vertebral body compression deformity is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process . Known diffuse osseous lesions better seen on prior exam .