Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There is subtle increased opacity in the right mid lung , which was not present on prior . Elsewhere , lungs are clear . Cardiomediastinal silhouette within normal limits . The trachea is again deviated to the right at the thoracic inlet with increased soft tissue density suggesting left thyroid enlargement . No acute osseous abnormality is identified .
    OUTPUT:
    
Faint opacity projecting over the right mid lung , new from prior , could represent a pneumonia in the proper clinical setting . Otherwise , unchanged appearance with probable left - sided thyroid enlargement and rightward deviation of the trachea .