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腸癌

來源:??腸癌 長沙腸癌治療   發表時間:2017-11-20

腸癌為結腸癌和直腸癌的總稱,腸癌是指大腸粘膜上皮在環境或遺傳等多種致癌因素作用下發生的惡性病變預后不良,死亡率較高。腸癌是胃腸道中常見的惡性腫瘤,發病率僅次于胃和食管癌,是大腸癌的最常見部分(占60%左右)。絕大多數病人在40歲以上,30歲以下者約占15%。

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