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