Esophageal tuberculosis Differential diagnosis of esophageal cancer, esophageal tuberculosis rare, may be primary in the esophagus or other organs secondary to disseminated tuberculosis, x ray lead esophagus and esophageal cancer similar meal examination, there have difficulty swallowing, chest pain and other symptoms, esophagoscopy, biopsy, no cancer smear, Mycobacterium tuberculosis test was pos