SUrveillance of PREMalignant Stomach - Individualized Endoscopic Follow-up

"In all patient's complete gastroscopy first with White light and then with virtual chromoendoscopy will be made;~* Suspicious lesions with dysplasia/cancer will be biopsied 1-2 fragments in a different vial; if an irregular area of mucosa (pattern C) with no clearly defined lesion then 1-2 guided biopsies fragments will be taken and sent in a different vial;~* EGGIM (Endoscopic Grading of Gastric Intestinal Metaplasia) will be calculated according to previous description of this classification:~* If EGGIM 0 (no endoscopically apparent IM) biopsies will be made in antrum, incisura and corpus according to Sydney-Houston protocol;~* If EGGIM 1 or more guided biopsies of suspicious areas of IM should be made replacing the random biopsies in that particular area;~* Antrum, incisura and corpus fragments should be sent in 3 separate vials;"