山中彩虹
LOH at APC/MCC locus plays an important role at the early stage of carcinogenesis and progress, while LOH at DCC locus occurs at a later stage and may be correlated with prognosis of patiets. APC/MCC基因LOH在胃癌的早期发生及发展中起作用,而DCC基因LOH则是晚期改变,可能与临床预后相关。从例句中可以看出 后期:at a later stage.另外,a later period; a latter part 也有此意。
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