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1·Objective To investigate the effect of enlarging esophageal hiatus through central abdomen lengthened incisal opening in the proximal stomach cancer radical correction.

目的探讨经上腹正中延长切口扩大食管裂孔方法在近侧部胃癌根治术的应用效果。

2·Results:The types of the cardia diseases included carcinoma (21), esophageal varices (14), mesenchyme tissues neoplasm(11) and esophagus hiatus hernia (8).

结果：引起胃底贲门部肿块的疾病有癌肿21例、静脉曲张14例、间叶组织肿瘤11例、食管裂孔疝8例。

3·To investigate the character of esophageal manometry in reflux esophagitis (re) with or without sliding hiatus hernia (SHH).

探讨滑动型食管裂孔疝合并反流性食管炎(SHH组)和单纯性反流性食管炎(RE组)患者的食管动力学特点。

4·Results Of total 54 patients, 18 lesions passed through the esophageal aperture, including cardiac carcinoma with invasion of lower esophagus, parasophageal varices or hiatus hernia;

结果5 4例病变中经食管裂孔18例，病变主要系贲门癌侵犯食管下段、食管静脉曲张及食管旁疝；