title: Endoscopy evaluation and management of patients with gastrointestinal malignancy.
mesh_terms: D004724:Endoscopy; D004938:Esophageal Neoplasms / Q000175:diagnosis; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006801:Humans; D013274:Stomach Neoplasms / Q000175:diagnosis