Detection of mutated KRAS2 sequences as tumor markers in plasma/serum of patients with gastrointestinal cancer.

Abstract excerpt

Mutated KRAS2 commonly can be detected in the plasma/serum of patients with pancreatic or colorectal cancers possessing this mutated gene. Positive assays are more common in patients with higher stage tumors but some smaller cancers can also be detected; occasionally, patients with large tumors have negative assays. Because relatively few patients with low-stage tumors have been evaluated, more studies in...

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