Tumor markers are substances found in abnormal amounts in the blood, urine, or tissues of some individuals with cancer.

Question

Quizplus · Accepted Answer

Tumor markers are indeed substances that can be found in abnormal amounts in the blood, urine, or tissues of some individuals with cancer. They are often used in cancer diagnosis and monitoring, but not all types of cancer have specific tumor markers and the presence of tumor markers does not always indicate the presence of cancer.

Tumor Markers Are Substances Found in Abnormal Amounts in the Blood