Beware of cecal mucus: Interval appendix rest sessile serrated adenoma/polyp (SSA/P) without dysplasia Vincent Zimmer; Elke Eltze;

Endoscopic submucosal dissection with scissor-type knife for a fibrotic T1b gastric cancer at the incisura Vincent Zimmer; Elke Eltze;

What shall we do with yellowish rectal lesions during screening colonoscopy? Vincent Zimmer;