12. Which one best define malignant tumors?
(A)The tumors that are abnormally growing within normal tissue.
(B)Malignant tumors only stay in the original site.
(C)Malignant tumors could spread into neighboring tissues and replace normal tissues.
(D)Malignant tumors are usually at the status of metastasis.
(E)Malignant tumors are equivalent to benign tumors.

答案：登入後查看
統計： A(6), B(0), C(32), D(11), E(0) #2344765

w薯泥

B1 · 2024/07/19

#6169753

惡性腫瘤俗稱「癌」（Cancer）。惡性腫瘤由癌細胞所組成，具擴散能力，必須治療，否則會破壞周圍的正常組織，繼而經血液或淋巴系統入侵其他器官，在該處形成「繼發性」（Secondary）或「轉移性」（Metastasis）腫瘤。