Q. A 30-year-old man comes to the ER because of fever, night sweats, and cough with blood-tinged sputum. Sputum samples show acid-fast bacilli and CXR reveals a cavitary lesion in the upper lobe of the right lung. The patient is diagnosed with TB and starts the appropriate therapy. At follow-up, ten weeks later, the complains of shortness of breath on exertion. On clinical examination, at that time, he has conjunctival pallor. Blood analysis reveals basophilic granules. What is the most likely cause of these findings?