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;

Suction-assisted intra-cap biopsy: A novel approach for difficult-to-access gastrointestinal lesions Vincent Zimmer; Christoph Heinrich;