[英中] 請問這句話翻中文

[charminglee (★ 天上星兒搖搖欲墜 ★)]

Cancers of the head and neck are unusual in that appears to have been little,
if any, improvement in survival rates over recent decades.

頭部及頸部的癌症怎麼了然後近幾十年的存活率有增加?

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→ chingfen: 頭頸部癌症最近數十年的存活率似乎沒什麼/幾乎沒有改善
→ chingfen: ，這種情況不尋常。                (little)
→ chingfen:                             似乎即使有改善也微乎其微
推 spacedunce5: appears 前面少一個 there
→ charminglee: 兩位大感謝!!