title: Etiological aspects of cancer of the gastrointestinal tract.
mesh_terms: D000437:Alcoholism / Q000150:complications; D000818:Animals; D001789:Blood Group Antigens; D002273:Carcinogens; D003110:Colonic Neoplasms / Q000209:etiology; D004032:Diet; D004935:Esophageal Diseases / Q000150:complications; D004938:Esophageal Neoplasms / Q000209:etiology; D005260:Female; D005756:Gastritis / Q000150:complications; D005770:Gastrointestinal Neoplasms / Q000209:etiology* / Q000235:genetics; D005843:Geography; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000150:complications; D007414:Intestinal Neoplasms / Q000209:etiology / Q000276:immunology; D007421:Intestine, Small; D008297:Male; D009374:Neoplasms, Experimental; D009381:Neoplasms, Radiation-Induced; D011083:Polycyclic Compounds; D012004:Rectal Neoplasms / Q000209:etiology; D012907:Smoking / Q000150:complications; D013274:Stomach Neoplasms / Q000209:etiology
chemical_list: D001789:Blood Group Antigens; D002273:Carcinogens; D011083:Polycyclic Compounds