Thoracic Sympathetic Chain is situated :
C. i.e. Near heads of 2nd to 10th rib Thoracic sympathetic trunk is a ganglionated chain situated on each side of thoracic veebraQ and crosses the neck of 1st rib, heads of 2" to 10th ribs and bodies of 11th & 12th rib.Q The whole chain descends in front of posterior intercostal vessels & intercostal nervesQ, and passes deep to medial arcuate ligament.Q
In front of posterior mediastinum
Passes superficial to medial arcuate ligament
Near heads of 2nd to 10th rib
In front of veebral column