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Introduction Oesophageal tumours can be broadly divided into epithelial, non-epithelial, and heterotopic, based on the cell of origin or into intraluminal, intramural, and extramural based on their location in relation to the oesophageal wall. Epithelial neoplasms arise from the mucosa…

Open full size image Common Clinical Problems From Alimentary System Disease Pathological basis of gastrointestinal signs and symptoms Sign or symptom Pathological basis Dysphagia (difficulty in swallowing) Impaired neuromuscular function (e.g. multiple sclerosis) Obstruction (intrinsic or extrinsic) Heartburn (indigestion) Oesophageal/gastric…