label: Flexible transoral upper gastrointestinal endoscopy of esophagus, stomach, and duodenum with endoscopic ultrasound examination of esophagus and intramural fine needle biopsy using transendoscopic ultrasound guidance
label_lc: flexible transoral upper gastrointestinal endoscopy of esophagus, stomach, and duodenum with endoscopic ultrasound examination of esophagus and intramural fine needle biopsy using transendoscopic ultrasound guidance