CA 15-3, CA 27.29 are tumor markers most commonly used to monitor which cancer?

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Multiple Choice

CA 15-3, CA 27.29 are tumor markers most commonly used to monitor which cancer?

CA 15-3 and CA 27.29 are tumor markers tied to breast cancer and are used to track how the disease is responding to treatment and to watch for recurrence. Their levels generally reflect tumor burden, rising when the cancer advances and falling when therapy is effective, which makes them useful for monitoring over time. They’re not reliable for diagnosing breast cancer or screening the general population, and they can be elevated for other reasons, but in clinical practice these markers are most commonly used to follow breast cancer. Other cancers use different markers (for example, CA 125 for ovarian, CA 19-9 for pancreatic, PSA for prostate), so the best match for monitoring these particular cancers is breast cancer.

CA 15-3 and CA 27.29 are tumor markers tied to breast cancer and are used to track how the disease is responding to treatment and to watch for recurrence. Their levels generally reflect tumor burden, rising when the cancer advances and falling when therapy is effective, which makes them useful for monitoring over time. They’re not reliable for diagnosing breast cancer or screening the general population, and they can be elevated for other reasons, but in clinical practice these markers are most commonly used to follow breast cancer. Other cancers use different markers (for example, CA 125 for ovarian, CA 19-9 for pancreatic, PSA for prostate), so the best match for monitoring these particular cancers is breast cancer.

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