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Fig. 9B —69-year-old woman with pancreatic cancer. Invasion or
occlusion of gastroduodenal artery is not contraindication to surgery.
Endoscopic color Doppler sonogram (reproduced here in gray-scale) obtained
before common bile duct (CBD) stent insertion showed dilated CBD and encased
but patent gastroduodenal artery (GDA). Common hepatic artery (not shown) was
uninvolved by tumor. Echogenic fat (arrowhead) was seen between tumor
(TU) and superior mesenteric vein (SMV), indicating this vessel was free of
tumor.