Table 2.

EUS examination of lymph nodes stations in the mediastinum and the neck starting from the cardia up to the upper part of the esophagus

Number of station	The distance from incisors, location	Landmark (s)
Station 9 [Figure 2]	35-40 cm from the incisors Just above the cardia	IVC Right atrium
Station 7 [Figure 3]	27-32 cm from the incisors The subcarinal area	Left atrium Left ventricle Ascending aorta Right pulmonary artery Pulmonary trunk
Station 10R [Figure 4]	25-27 cm from the incisors Clockwise rotation from station 7	Superior vena cava
Station 8 [Figure 5]	180° clockwise rotation from station 7	Descending aorta
Station 4L, 5, 6, and 10L [Figure 6]	23-27 cm form incisors Aorto-pulmonary window Upward withdrawal of the scope with counterclockwise rotation from station 7	Left pulmonary artery Aortic arch
Station 2L [Figure 7]	20-23 cm from the incisors Upward withdrawal of the scope from station 5	Left subclavian artery
Station 3A [Figure 8]	20-23 cm from the incisors, clockwise and slight upward withdrawal from station 2L	Common carotid artery, Venous confluence of left IJV, SCV and BCV
Station 1 [Figure 9]	Upward withdrawal of the scope towards the neck from station 3A	Thyroid gland Common carotid artery IJV

IVC: Inferior vena cava; IJV: Internal jugular vein; SCV: Subclavian vein; BCV: Brachiocephalic vein