[Biological problems of malignant tumors of the gastrointestinal tract and their preliminary stages].
D002965:Classification; D005770:Gastrointestinal Neoplasms / Q000473:pathology* / Q000517:prevention & control / Q000601:surgery; D006801:Humans; D008208:Lymphatic System; D011127:Polyps
Biologische Probleme der malignen Geschwülste des Magen-Darm-Traktes und ihrer Vorstufen.