Basic Treatment Planning

Anatomical Definition: Thoracic Oesophagus • Enters the superior mediastinum between the trachea and vertebral column • Lies anterior to T1 to T4 vertebrae • Initially it inclines to the left but is moved by the aortic arch to the median plane, opposite the roots of the lungs • Inferior to the aortic arch, it again inclines to the left as it passes through the diaphragm