名詞 cancer:

1. any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream
   同義詞：malignant neoplastic disease
2. (astrology) a person who is born while the sun is in Cancer
   同義詞：Crab
3. a small zodiacal constellation in the northern hemisphere; between Leo and Gemini
4. the fourth sign of the zodiac; the sun is in this sign from about June 21 to July 22
   同義詞：Cancer the Crab, Crab
5. type genus of the family Cancridae
   同義詞：genus Cancer

1. He was afflicted with cancer.
   他患了癌癥。
2. The old man died from colon cancer.
   這位老人死于結(jié)腸癌。
3. His hometown is located in the north to the tropic of cancer.
   他的家鄉(xiāng)在北回歸線的北面。
4. The patient finally died from cancer.
   那位病人最終死于癌癥。
5. He's got a cancer in his liver.
   他得了肝癌。

can.cer

n.（名詞）

Any of various malignant neoplasms characterized by the proliferation of anaplastic cells that tend to invade surrounding tissue and metastasize to new body sites.
癌癥：一種惡性腫瘤，其特征為退化細胞侵入周圍組織和向新的身體部位移轉(zhuǎn)并大量增生
The pathological condition characterized by such growths.
腫瘤：具有增生特征的病理狀態(tài)
A pernicious, spreading evil:
社會惡習(xí)，社會毒瘤：一種惡性的、蔓延的罪惡 ：
例句：
A cancer of bigotry spread through the community.
一種頑固的社會惡習(xí)擴散到整個社區(qū)

來源：
Middle English * see canker
中古英語 *參見 canker

【引伸】
can.cerous