What test is commonly performed to assess for lung metastases in breast cancer patients?

• A. X-ray
• B. CT scan
• C. MRI
• D. Ultrasound

Answer: (A)

The most appropriate test commonly performed to assess for lung metastases in breast cancer patients is a CT scan. CT scans provide detailed cross-sectional images of the lungs and surrounding structures, allowing for the detection of small nodules, masses, or any abnormalities that may indicate metastasis. This imaging modality is sensitive and can differentiate between various types of tissues, making it particularly useful for identifying metastatic lesions that may not be visible on X-rays.

While an X-ray is often the first imaging test used to evaluate the lungs, it is less sensitive than a CT scan for detecting early or small metastatic tumors. An MRI, though useful in certain circumstances, is generally not the first choice for lung evaluation due to its limitations in imaging lung tissue compared to CT scans. Ultrasound is primarily used for evaluating soft tissue masses and fluid collections rather than pulmonary assessments, making it less relevant in this context.

In summary, the CT scan is the preferred method for assessing lung metastases in breast cancer patients due to its enhanced detail and sensitivity.