Degeneration of megaesophagus. Is there a particular symptomatology?
It is now generally accepted that achalasia is a pre-malignant condition. However, the prevalence and incidence of malignant degeneration in achalasia are not well defined and certain features of its symptomatology and precise etiology are unclear.
KeywordsEsophageal Cancer Thoracic Esophagus Malignant Degeneration Esophageal Achalasia Distal Obstruction