Small bowel Crohn's disease: Proximal lesions linked to increased inflammation and biologic treatment needs João Carlos Gonçalves; Cátia Arieira; Sofia Xavier; Joana Magalhães; Maria João Moreira; Bruno Rosa; José Cotter;

Black esophagus: Massive bleeding in cirrhosis does not always mean variceal rupture Vítor Macedo Silva; Ana Isabel Ferreira; Pedro Boal Carvalho; Joana Magalhães; José Cotter;

Uncommon cause of upper gastrointestinal bleeding: Spontaneous large gastric intramural hematoma Tiago Lima Capela; Tiago Cúrdia Gonçalves; Joana Magalhães; José Cotter;