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Anteriorly, the
oesophagus is related
to the trachea, right
pulmonary artery, left
bronchus, pericardium
with left atrium, and
diaphragm.
The thoracic duct lies
on
the left side, and the
left recurrent laryngeal
nerve lies in the left
tracheoesophageal
groove. Laterally, on the
left side, it is related to
the aorta and left
subclavian artery; on
the right side, it is
related to the azygos
vein.
In the posterior
mediastinum, the
oesophagus is
related to the
descending thoracic
aorta, left
mediastinal pleura,
azygos vein, and
cardiac and
pulmonary pleura