<P> The right sympathetic chain and its connections with the thoracic, abdominal, and pelvic plexuses . </P> <Li> <P> Dissection of brachial plexus </P> </Li> <P> Dissection of brachial plexus </P> <Li> <P> Brachial plexus </P> </Li>

Which of the following nerves is not a part of the brachial plexus