Importance of esophageal exfoliative cytology in achalasia.
D000230:Adenocarcinoma / Q000150:complications / Q000175:diagnosis; D003581:Cytodiagnosis; D004931:Esophageal Achalasia / Q000209:etiology* / Q000473:pathology; D004938:Esophageal Neoplasms / Q000150:complications / Q000175:diagnosis*; D004947:Esophagus / Q000473:pathology; D006801:Humans; D013274:Stomach Neoplasms / Q000150:complications / Q000175:diagnosis