History: 35 y.o. mother presents to the pulmonary clinic for follow up of mild cough and dyspnea. She reports that she had some candy from her son*s Trick-or-Treat bag. She has a past history of asthma, dyspnea on exertion, and sarcoidosis of the eye.
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Teaching Point or Hint: Look at the esophagus ... what do you see?