Review Question - QID 213237

A 34-year-old African-American woman presents to her primary care physician with a 2-day history of a painful rash on her legs. In addition, she says that she has been experiencing a dry cough and increasing shortness of breath over the past 5 months. She has also been having significant ankle pain and intermittent fevers. She has a history of seasonal allergies, lives in an old house, and says that her father worked in a coal mine. On physical exam, she is found to have painful erythematous nodules on the anterior aspect of her legs. A chest radiograph is obtained and the results are shown in Figure A. Which of the following would most likely also be seen in this patient?