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