Figure 3From: Primary liver carcinoid tumour with a Zollinger Ellison syndrome - an unusual diagnosis: a case reportImmunohistochemical staining of the primary hepatic carcinoid tumour specimen. Panel (a) negative CEA staining in tumour sample and positive in normal liver parenchyma (CEA, × 200). Panel (b) moderate gastrin staining in tumour sample (gastrin, × 400).Back to article page