A 45-year-old woman presents to the office with a chief complaint of a persistent cough for 6 weeks. She also has night sweats and has lost 5 kg (11 lb) in the last 2 months. She recently returned from a 6-month trip to Peru. Her vitals include: heart rate 82/min, respiratory rate 17/min, temperature 38.0°C (100.4°F), and blood pressure 107/80 mm Hg. On auscultation, she has diminished respiratory sounds at the base of the right lung. Chest radiography shows an opacity in the right apex. What is the most likely cause of her presentation? A 45-year-old woman presents to the office with a chief complaint of a persistent cough for 6 weeks. She also has night sweats and has lost 5 kg (11 lb) in the last 2 months. She recently returned from a 6-month trip to Peru. Her vitals include: heart rate 82/min, respiratory rate 17/min, temperature 38.0°C (100.4°F), and blood pressure 107/80 mm Hg. On auscultation, she has diminished respiratory sounds at the base of the right lung. Chest radiography shows an opacity in the right apex. What is the most likely cause of her presentation? Echinococcosis Tuberculosis Pulmonary thromboembolism Heart failure