Fig. 4From: Juvenile polyposis syndrome with gastric and duodenal polyposis presenting with refractory anemia and protein-leakage gastroenteropathy in a patient with SMAD4 mutation: a case reportPathological findings. a, b Macroscopic findings. c Microscopic findings. a Multiple polyps are seen in the antrum. b Multiple polyposis is observed, extending from the duodenum to the jejunum. c Hamartomatous polyps are observed with inflammatory cell infiltration and dilation of the glandular ducts. No malignant findings are notedBack to article page