[Diagnosis and evaluation of the extent of cancer of the esophagus].


Oesophageal cancer includes two distinct tumours: squamous cell cancer is related to alcohol and tobacco consumption; adenocarcinoma develops on a metaplastic columnar mucosa lining the oesophagus (Barrett's oesophagus). In Western countries the ratio of the 2 tumors is 6 to 4. Dysphagia is a late symptom in the evolution and corresponds in most cases to… (More)