Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable chest radiograph demonstrates severe an diffuse interstitial lung markings which appear gross the molar to prior study dated ___ . The aorta is diffusely calcified and tortuous . Model an of the cardiac silhouette is stable . There is no pleural effusion or pneumothorax . No acute osseous abnormality is detected .
    OUTPUT:
    
Diffuse ground - glass opacities essentially unchanged in appearance compared to prior study dated ___ .