Eckardt, V F Superficial esophageal carcinoma in achalasia, detected by endoscopic surveillance. [electronic resource] - Zeitschrift fur Gastroenterologie Jun 1992 - 411-4 p. digital Publication Type: Case Reports; Journal Article ISSN: 0044-2771 Subjects--Topical Terms: AdultCarcinoma in Situ--pathologyCarcinoma, Squamous Cell--pathologyCell Transformation, Neoplastic--pathologyEsophageal Achalasia--pathologyEsophageal Neoplasms--pathologyEsophagectomyEsophagoscopyEsophagus--pathologyFemaleFollow-Up StudiesHumansPostoperative Complications--pathology