同义词cancer of oesophagus、oesophageal malignancy、oesophageal cancer、primary malignant neoplasm of cervical part of esophagus、primary malignant neoplasm of thoracic oesophagus、primary malignant neoplasm of upper third of oesophagus、proximal esophageal cancer、primary malignant neoplasm of middle third of oesophagus、distal oesophageal cancer、primary malignant neoplasm of lower third of oesophagus、lower esophagus cancer、malignant tumour of oesophagus、primary malignant neoplasm of oesophagus、颈段食管原发性恶性肿瘤、胸段食管原发性恶性肿瘤、食管上三分之一原发性恶性肿瘤、近端食管癌、食管中三分之一原发性恶性肿瘤、远端食管癌、食管下三分之一原发性恶性肿瘤、下端食管癌、食管恶性肿瘤、食管原发性恶性肿瘤、食管癌