Observational Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Jan 28, 2019; 25(4): 498-508
Published online Jan 28, 2019. doi: 10.3748/wjg.v25.i4.498
Figure 4
Figure 4 Identification of landmarks by endoscopic ultrasound. A: Endoscopic ultrasound (EUS) image showing the left main bronchus located on the anterior esophageal quadrant at a distance of 25 cm from the incisors. B: EUS image showing the left atrium located on the anterior esophageal quadrant at a distance of 30 cm from the incisors.