Inclusion Criteria:  Age 18 years or older. ASA physical status I-III. Clinical/radiological (computed tomography) suspicion of sarcoidosis (Stages I to III)  Exclusion Criteria:  Inability or unwillingness to consent. Severe bleeding disorders Contraindication for temporary interruption of the use of anticoagulant or antiplatelet therapy different from aspirin. Recent and/or uncontrolled cardiac disease, uncontrolled pulmonary hypertension. Compromised upper airway (eg, concomitant head and neck cancer or central airway stenosis for any reason). Pregnancy