但是，至今尚未发现食管癌的易感基因，食管上皮的癌变分子机理仍未明确。

However, the susceptibility gene (s) of esophageal cancer has not been identified so far.

youdao

但是，至今尚未发现食管癌的易感基因，食管上皮的癌变分子机理仍未明确。

However, the susceptibility gene (s) of esophageal cancer has not been identified so far.

youdao