Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The trachea is deviated to the left , stable from prior , suggestive of mass effect . The lungs are well expanded and clear . Incidentally noted azygos fissure . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Leftward deviation of the trachea may be due to goiter or soft tissue mass in the neck . Further assessment with ultrasound is recommended on a nonemergent basis . 2 . No evidence of acute cardiopulmonary process .