title: How can we diagnose the early stage of esophageal cancer? Diagnosis of early esophageal cancer.
mesh_terms: D000328:Adult; D000368:Aged; D003581:Cytodiagnosis; D004935:Esophageal Diseases / Q000150:complications; D004938:Esophageal Neoplasms / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D004945:Esophagoscopy; D004947:Esophagus / Q000473:pathology; D005260:Female; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008297:Male; D008875:Middle Aged; D013997:Time Factors; D014463:Ultrasonography