CA 15-3 is a tumor marker to detect the presence of ________
A) breast cancer
B) ovarian cancer
C) pancreatic cancer
D) colon cancer
A
Explanation: A) Correct! It detects the presence of antigens on the surface of breast cancer cells.
B) This test does not detect ovarian cancer.
C) This test does not detect pancreatic cancer.
D) This test does not detect colon cancer.
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