[Preventive surgical indications in precancerous conditions of the gastrointestinal tract].
D004064:Digestive System / Q000473:pathology; D005770:Gastrointestinal Neoplasms / Q000473:pathology / Q000601:surgery*; D006801:Humans; D007417:Intestinal Polyps / Q000601:surgery; D011230:Precancerous Conditions / Q000473:pathology / Q000601:surgery*
Präventive Operationsindikationen bei Präcancerosen im Gastrointestinaltrakt.