Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right mid lung opacity has decreased in the interval with possible minimal residual remaining . No new focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable . Rightward deviation of the trachea is re - demonstrated , possibly due to enlarged left lobe of the thyroid .
    OUTPUT:
    
Interval decrease in right middle lobe opacity with possible minimal residual remaining . No new focal consolidation seen . Re - demonstrated rightward deviation of the trachea which could be due to an enlarged left lobe of the thyroid , again , which can be further assessed on ultrasound if not previously evaluated .