This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
Structure related to deltopectoral groove is 
Select and explain. 
A. Axillary aey, B. Cephalic vein, C. Basilic vein, D. Radial nerve
B: Cephalic vein
Answer: B: Cephalic vein 
Explanation: the deltopectoral groove - The cephalic vein, the deltoid branch of the thoraco-acromial aery, and one or two deltopectoral lymph nodes lie in the deltopectoral groove, under the deep fascia on the medial side of the septum. Ref : B D Chaurasia's Human Anatomy , seventh edition , volume 1 , pg. no., 43