preferred_name: Trunk of posterior division of brachial plexus branch of left first thoracic nerve
preferred_name_lc: trunk of posterior division of brachial plexus branch of left first thoracic nerve
label: Trunk of posterior division of brachial plexus branch of left first thoracic nerve
label_lc: trunk of posterior division of brachial plexus branch of left first thoracic nerve