Which of the following is the least utilized role of a tumor marker?

Question

Quizplus · Accepted Answer

Diagnosis of cancer is generally not made with the laboratory finding of an elevated tumor marker concentration.Tumor markers commonly tested for are associated with a relatively high rate of false-positive results compared with other diagnostic tests.Diagnosis is made in conjunction with other testing,such as a biopsy.The value of tumor markers is their use in screening for cancer,in specific populations,such as PSA (prostate specific antigen)in men older than age 50 years.Tumor markers are also frequently employed to monitor patients during therapy to determine its effectiveness,to detect recurrence following treatment,and to approximate the extent of tumor burden.

Which of the Following Is the Least Utilized Role of a Tumor