system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 35-year-old woman comes to the physician because of a dry cough and worsening shortness of breath with exertion for the past 6 months. She used to go running three times each week but had to stop because of decreased exercise tolerance and pain in the bilateral ankles. Two months ago, she was in Nigeria for several weeks to visit her family. She is allergic to cats and pollen. She has smoked one pack of cigarettes daily for the past 17 years. Her vital signs are within normal limits. Examination shows multiple 1.5- to 2-cm, nontender lymph nodes in the axillae. A few crackles are heard on auscultation of the chest. Her serum calcium concentration is 11.7 mg/dL. An x-ray of the chest shows enlarged hilar lymph nodes bilaterally and reticular opacities in both lungs. Which of the following is the most likely cause of these findings?
assistant
Granulomatous inflammation