Most of the axillary lymph nodes located between the pectoralis major and latissimus dorsi muscles.

• A. Cannot determine
• B. Not applicable
• C. True
• D. False

Answer: (C)

Most axillary lymph nodes are concentrated in the central portion of the axilla, which lies between the anterior wall formed mainly by pectoralis major (and minor) and the posterior wall formed by latissimus dorsi (and neighboring muscles). This central group sits around the second part of the axillary artery and represents the largest cluster of nodes, receiving drainage from the other axillary groups and passing lymph onward to the apical nodes. Because the bulk of nodes resides in this central region between those two muscular boundaries, the statement is true. The other options aren’t needed because it’s a determinate anatomical distribution, not indeterminate, not inapplicable, and not false.