Title: Early cancer of the gastrointestinal tract
Subjects: Gastrointestinal system, Digestive organs, Cancer, Cross-Cultural Comparison, MEDICAL, Diagnosis, Endoscopie, Gastro-enterologie, Nutrition, Gastrointestinal Neoplasms, Methods, Gastrointestinal Endoscopy, Therapy, Kanker, Classification, Therapieen, Therapieën, Gastrointestinal system, diseases, Cancer, treatment, Gastrointestinal Tract, Neoplasms, Stomach Neoplasms, Colonic Neoplasms, Esophageal Neoplasms