... taken. CT with portography looks specifically at the portal vein, the large vein leading into the liver from the intestine. In ...
http://www.cancer.org/acs/groups/cid/documents/webcontent/003096-pdf.pdf
... portography Search [por-tahg-ruh-fee]. a procedure that uses computed tomography (CT) and a dye injected into the portal vein of the liver. ...
http://www.cancer.org/cancer/cancerglossary/index.aspx?letter=p
http://www.cancer.org/cancer/colonandrectumcancer/detailedguide/colorectal-cancer-diagnosed
http://www.cancer.org/cancer/cancerglossary/index.aspx?letter=P
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