Registered Health Information Administrator (RHIA) — Question 34

Given the following diagnosis: "Carcinoma of axillary lymph nodes and lungs, metastatic from breast." What is the primary cancer site(s)?

Answer options

• A. axillary lymph nodes
• B. lungs
• C. breast
• D. both A and B

Correct answer: A

Explanation

The primary site of cancer is the location where cancer originates, which in this case is the breast. The axillary lymph nodes and lungs are sites of metastasis, meaning the cancer has spread from the primary site, which is why options B and D are incorrect.