Alternative Diagnoses in Patients About to Start Empiric Tuberculosis Treatment

"Patients will undergo review by a study physician, including a detailed history and physical examination, as well as review of additional investigations that have been performed thus far.~Based on the precise nature of the complaints, and additional findings, additional diagnostic testing may be requested, including, but not limited to: blood testing, spirometry, computed tomography of the chest, repeat chest X-ray, sputum investigations, or bronchoscopy."