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. 2012 Sep 27;28(1):24–29. doi: 10.1007/s12291-012-0257-0

Table 7.

Cut-off values for individual tumour markers in BAL fluid and serum

Cut-off values
Tumour markers BAL fluid Serum
CEA <8 μg/l <4.5 μg/l
CA15-3 <18.0 U/ml <28.8 U/ml
CA 19-9 <37.9 U/ml <16.0 U/ml
CA 125 <36.5 U/ml <24.5 U/ml