Task: Answer Verification
Input (English): Question: Is exploration under the dome : Esophageal ultrasound with the ultrasound bronchoscope indispensible?
Answer: Operators comfortable with the endobronchial ultrasound scope in both the airway and the esophagus can actively seek and successfully perform biopsy of sub-diaphragmatic abnormalities when present and can thereby add to the diagnostic value of the procedure.
Output (English): yes