Annual risk of having breast cancer by mammography is

**Core Concept**
The question pertains to the risk associated with mammography, a diagnostic tool used for breast cancer screening. **Mammography** uses low-energy X-rays to examine the breast for diagnosis and screening. The underlying principle here involves understanding the risks, specifically the **annual risk**, associated with this procedure.

**Why the Correct Answer is Right**
Since the correct answer choice is missing, let's discuss the general concept. The annual risk of having breast cancer detected by mammography depends on various factors including age, family history, and radiation exposure. **Ionizing radiation** from mammography can slightly increase the risk of breast cancer, particularly in younger women. However, the benefit of early detection often outweighs this risk.

**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific details of each option, we cannot directly address why each is incorrect. Normally, we would discuss how each option either overestimates or underestimates the risk based on current medical understanding and guidelines.

**Clinical Pearl / High-Yield Fact**
A key point to remember is that while mammography carries a small risk due to radiation exposure, the **benefits of early breast cancer detection** significantly outweigh these risks for the majority of women, especially those over 40 years old. Regular screening is crucial for reducing mortality from breast cancer.

**Correct Answer:** Correct Answer: D. 1 in 1,000