This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax: Aerial supply, Subject name: Anatomy
A 32-year-old patient has a tension pneumothorax that can be treated with needle aspiration. To avoid an injury of the intercostal neurovascular bundle, the needle may be inseed in which of the following locations? 
Select and explain. 
A. Above the upper border of the ribs, B. Deep to the upper border of the ribs, C. Beneath the lower border of the ribs, D. Between the external and internal intercostals
A: Above the upper border of the ribs
Answer: A: Above the upper border of the ribs 
Explanation: The intercostal veins, aeries, and nerves run in the costal groove beneath the inferior border of the ribs between the internal and innermost layers of muscles. The transversus thoracis muscles are situated in the internal surface of the lower anterior thoracic wall.