求翻译：自贲门上0.5cm处向上截取1cm长食管，肉眼观察食管黏膜的改变后固定于10％甲醛溶液中，石蜡包埋，常规HE染色待检。是什么意思？

Up from the intercept at the cardia on the 0.5cm 1cm long esophagus, visual observation of changes in esophageal mucosa were fixed in 10% formaldehyde solution, embedded in paraffin, routine HE staining for inspection.

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0.5cm place intercepts the 1cm long esophagus upwardly from the cardiac opening of stomach in, the visual observation esophagus mucous membrane change after-fixing in 10% formaldehyde solution, the paraffin wax embedding, the conventional HE dyeing treats examines.

Cardiac 0.5cm up on interception of 1cm esophagus, naked eye observation of esophageal mucosa after changing fixed on 10% in formaldehyde solution, paraffin-embedded, General HE staining in quarantine.

0.5cm intercepts 1cm long esophagus upwards from the cardia, affixed to 10% formaldehyde solution after observing the change of the oesophageal mucous membrane visually, the paraffin wax is wrapped up and buried, it is to be examined that regular HE dyes.