A 21-year-old female college student presents to the clinic complaining of intermittent diarrhea, abdominal pain, and bloating. She has had a feeling of general weakness and fatigue over the last month. She states that her stool has recently seemed to be "grease coated". She does not have any significant past medical history. Vital signs are T 98.9 F, HR 103, BP 110/75, RR 16, and SpO2 99%. Laboratory tests show an iron deficiency anemia. On physical exam, what skin condition is most likely associated with her presentation?