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

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

Direct cholangioscopy using a standard-size gastroscope to guide mechanical lithotripsy after failed ERCP-based basket capture Vincent Zimmer;