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Table 2 Tumor markers

From: Tri-modal management of primary small cell carcinoma of the pancreas (SCCP): a rare neuroendocrine carcinoma (NEC)

Tumor marker

Value

Normal range

CA19-9

10 U/mL

30–42 U/mL

CEA

1.4 ng/mL

< 3.8 ng/mL

Chromogranin A

72 ng/mL

0–103 ng/mL

Neuron specific enolase

5.9 µg/L

3.7–8.9 µg/L

IgG4

16 mg/dL

1–123 mg/dL