Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unchanged , and the pulmonary vascularity is normal . Leftward deviation of the upper trachea is due to a right thyroid nodule and is unchanged . Streaky opacities in the lung bases are unchanged , and likely reflects chronic aspiration and scarring . Additionally , blunting of the right costophrenic sulcus on the frontal view is unchanged from the prior exam and likely reflects pleural thickening . No new focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No interval change from the prior exam . No new focal opacities to suggest pneumonia .