Which of the following statement is true about left phrenic nerve?
The phrenic nerve arises from the neck from the anterior rami of the 3rd, 4th and 5th cervical nerves. It is formed at the lateral border of the scalenus anterior, opposite the middle of the sternocleidomastoid at the level of the upper border of the thyroid cailage. Phrenic nerve (C3-C5) courses veically along the anterior scalene muscle between the subclan aery and the subclan vein en route to innervate the diaphragm. It is related anteriorly toPreveebral fasciaInf. belly of omohyoidTransverse cervical aerySuprascapular aeryInternal jugular veinSternocleidomastoid musThoracic duct on left sideRef: Moon D.A., Foreman K.B., Albeine K.H. (2011). Chapter 25. Overview of the Neck. In D.A. Moon, K.B. Foreman, K.H. Albeine (Eds), The Big Picture: Gross Anatomy.
Lies anterior to anterior scalenus muscle
Posterior to brachial plexus
Posterior to subclan aery
Posterior to hilum left lung