Assertion: tumor marker | /r/HasProperty | ca
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Source sentences:
text: To predict complications of cancer: A 2018 study found that high tumor markers (CEA, CA 19-9, and CA 125) in people with colon, pancreatic, and ovarian cancers were associated with a high risk of blood clots (deep vein thrombosis), a complication that already affects roughly 20% of people with cancer at some time.