can‧cer S2 W2
1MI [uncountable and countable]
a very serious disease in which cells in one part of the body start to grow in a way that is not normal [↪ tumour]:
A lot of cancers can now be treated successfully.
lung/breast/stomach etc cancer
Smoking causes lung cancer.
She was told last year that she had cancer.
He died of cancer last month.
cancer of the womb
a new treatment which effectively kills cancer cells
an evil influence that affects a lot of people and is difficult to stop:
Drug abuse is the cancer of our society.
a cancerous growth