Fig. 3From: Pancreatic neuroendocrine tumor with stenosis of the main pancreatic duct leading to pancreatic pleural effusion: a case reportFindings of endoscopic ultrasound (EUS). a EUS reveals a hypoechoic mass measuring 15 × 15 mm in the pancreatic body. b The tumor shows hypoenhancement in the late phase of contrast EUSBack to article page