Unfortunately, a “Back Light System” As a Global Positioning System Failed to Guide the Route in 25-G Fine-Needle Aspiration

• Rungsun Rerknimitr,
• Phonthep Angsuwatcharakon

Affiliations

Rungsun Rerknimitr

Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand

Phonthep Angsuwatcharakon

Center of Excellence for Innovation and Endoscopy in Gastrointestinal Oncology, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand