Endoscopic ultrasonographic (EUS) image of a T4 gastric carcinoma on the posterior wall of the angulus taken using a GF-UM200 (7.5 MHz) echoendoscope (Olympus, Tokyo, Japan). The linear hypoechoic area along the out- er tumor margin (arrow) was first interpreted as the main pancreatic duct of an invaded pancreatic body, but surprisingly, the actual pancreas was demonstrated soon afterwards in ...
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