Metods 17 patients (16 male and 1 femal) suffering from esophageal or cardiac cancer with obstructive symptoms were investigated.
方法17例（男16例，女1例）有梗阻症状的食管、贲门恶性肿瘤患者。
Metods 17 patients (16 male and 1 femal) suffering from esophageal or cardiac cancer with obstructive symptoms were investigated.
方法17例（男16例，女1例）有梗阻症状的食管、贲门恶性肿瘤患者。
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