Exfoliative cytology of the oesophagus.
D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000473:pathology*; D003581:Cytodiagnosis; D003680:Deglutition Disorders / Q000175:diagnosis / Q000473:pathology; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000175:diagnosis / Q000473:pathology; D004938:Esophageal Neoplasms / Q000175:diagnosis / Q000473:pathology*; D004941:Esophagitis / Q000175:diagnosis / Q000473:pathology; D004947:Esophagus / Q000473:pathology*; D005060:Europe; D006801:Humans; D008403:Mass Screening