Table 2.

Tumor markers in carcinomas at various sites

Serum marker	Mean/median (range)	p value
CA 125 (n = 68) U/ml	159.5 (7.8–1502)
CEA (n = 62) ng/ml
Breast	3.4 (1.3–4.9)
GIT	71.0 (0.5–932.0)	0.185
Pancreaticobiliary	211.9 (1.3–1250)
Others	54.2 (0.7–305.0)
CA19-9 (n = 41) U/ml
Breast	14.3 (13.5–15.1)
GIT	193.1 (2.5–1614)	0.002
Pancreaticobiliary	6204.0 (10.8–20,000)
Others	73.4 (2.5–290)