Guide lines for the clinical and pathologic studies on carcinoma of the esophagus.
D004938:Esophageal Neoplasms / Q000473:pathology* / Q000532:radiotherapy / Q000601:surgery; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D008207:Lymphatic Metastasis; D009361:Neoplasm Invasiveness; D011379:Prognosis