Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Normal heart size and hilar contours . Slight leftward deviation of the upper trachea . No focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Slight leftward deviation of the head upper trachea could be related to thyroid enlargement , correlate with exam . 2 . Normal lungs