Figure 2. Endoscopic ultrasonography showed a hypoechoic mass measuring 37×30 mm in the head of the pancreas (a.) and two hypoechoic masses adjacent to the head of the pancreas (b. and c.). Selective angiography showed two hypervascular tumors in the head of the pancreas supplied by the gastroduodenal artery (d.), and a third tumor supplied by the inferior pancreaticoduodenal artery (e.).