This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
The nerve of Kuntz is an important landmark in - 
Select and explain. 
A. Lumbar sympathectomy, B. Cervicodorsal sympathectomy, C. Obturator neurectomy, D. Splanchnicectomy
B: Cervicodorsal sympathectomy
Answer: B: Cervicodorsal sympathectomy 
Explanation: • Nerve of Kuntz: Thoracic origin of a sympathetic supply to the upper limb
• An inconstant intrathoracic ramus which joined the 2nd intercostal nerve to the ventral ramus of the 1st thoracic nerve, proximal to the point where the latter gave a large branch to the brachial plexus, has become known as the ‘nerve of Kuntz’
• These variant sympathetic pathways may be responsible for the recurrence of symptoms after sympathectomy surgery.