A 58-year-old man comes to the physician because of a 1-month history of progressive difficulty with swallowing food. He has type II diabetes managed with metformin. He has smoked one pack of cigarettes daily for 40 years. BMI is 35. Vitals are normal. Physical examination shows normal heart sounds. The lungs are clear to auscultation. He has halitosis and cracked, erythematous corners of the lips. Which of the following is most likely to be seen in this patient?
Aortic stenosis
Gastrointestinal blood loss
HLA-B27 positivity
Hypothyroidism
Psoriatic arthritis
