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
Which of the following is level III lymph nodes? 
Select and explain. 
A. Central, B. Apical, C. Interpectoral, D. Anterior
B: Apical
Answer: B: Apical 
Explanation: Apical also known as subclavicular is level III lymph node.