Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . AICD is unchanged in position with leads extending to the region the right atrium and right ventricle . The lungs appear clear . Please note , recent chest CT findings of bilateral diffuse ground - glass pulmonary opacities are not reliably seen and were also radiographically occult on radiograph dated ___ . Difficult to assess for interval change / resolution . No large effusion or pneumothorax . There is prominence of the main pulmonary artery outline which corresponds to a dilated main pulmonary artery on recent CT . Heart size is normal . Bony structures are intact . Chronic left sixth rib deformity is again noted . No free air below the right hemidiaphragm .
    OUTPUT:
    
No significant interval change .