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Negative results of radiological examinations. (a) Pancreatic perfusion computed tomography image of case 1. (b) 68Ga‐NOTA‐exendin‐4 positron emission tomography/computed tomography and (c) somatostatin receptor scintigraphy images with 99mTc‐hydrazino nicotinamide‐octreotide of case 2.
