To reduce the main causes of False Positives (FP) in the results of Tumor Markers (TM) in serum, a group of 4 rules have been determined to properly evaluate them, such as:
- Tumor Markers Serum concentrations.
- Discard benign pathology by the exclusion of main source False Positive results.
- Follow-up if Tumor Markers moderate results (Grey Zone/Undetermined).
- Technical interference.