A patient presents with low-grade fever, chills, night sweats, weight loss, and a cough productive of blood-tinged sputum for 2 months. You suspect tuberculosis (TB) and order a chest x-ray. What findings on chest x-ray would be consistent with your suspected diagnosis?
Answer: Active tuberculosis pneumonia with cavitary lesions and posterior upper lobe involvement (past exposure would show isolated granuloma, Ghon focus, Ghon complex, old scarring in the upper lobes)
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