In lung cancer with enlarged or non-enlarged mediastinal lymph nodes, contrast-enhanced computed tomography (CT) and Positron emission tomography (PET) scan frequently show discrepancy in tuberculosis-endemic area. Endobronchial ultrasound guided transbronchial aspiration (EBUS-TBNA) with ability of real-time nodal sampling possibly improves the nodal diagnosis. The purpose of this study is to compare the accuracy of nodal diagnosis of contrast-enhanced CT and PET scan with and without EBUS-TBNA, this study will be performed.
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Diagnostic accuracy
Timeframe: 2 weeks