Endobronchial Ultrasound Guided Transbronchial Needle Aspiration Performed Under General Anesthesia Versus Moderate Sedation

Inclusion Criteria: * All patients over the age of 18, evaluated by pulmonary physician that require EBUS TBNA for sampling of hilar and/or mediastinal lymphadenopathies or masses * Patients should be considered eligible to undergo either CS or GA, without contraindications for either one of them, based on the assessment by the pulmonologist who will perform EBUS-TBNA Exclusion Criteria: * Pregnancy or breastfeeding women * Patients deemed poor candidates for general anesthesia by the evaluating physician (e.g., severe coronary artery disease, COPD with FEV1 \< 1 liter, uncontrolled hypertension, increased intracranial pressure, reaction to anesthetics) * Previous reaction to medications routinely used in conscious sedation * Patients with history of intolerance to either general anesthesia or conscious sedation * Dementia or other severe cognitive impairment causing inability to understand or consent to the procedure and study