Fig. 3 a.

Capsule endoscopy image from the small bowel showing a large duodenal ulcer in a patient with anemia. b Capsule endoscopy image from the small bowel showing an ileal ulcer in a patient later diagnosed with Crohn’s disease. c Capsule endoscopy image from the small bowel showing suspected villous atrophy in a patient with diarrhea. d Capsule endoscopy image from the small bowel showing active bleeding of the jejunum and ileum in a patient with anemia. e Capsule endoscopy image from the small bowel showing a jejunal angiodysplasia in an asymptomatic patient.