The phrase "to become cancer" is not a commonly used phrase and may be confusing. Cancer is a disease, not an action or state of being. It is possible that the intended phrase was "to get cancer" which means to develop the disease.
Sentences with «to become cancer»
Every day, multiple cells in our body become transformed and develop the potential to become cancer cells. (sciencedaily.com)
Another view is that tumors can become resistant to therapy by a process called cell fate decision, by which some tumor cells are killed by therapy and others become cancer stem cells. (sciencedaily.com)
People can understand that those dying will go to extreme measures, not for selfish reasons, but so the people who love them don't become cancer's collateral damage. (fatmovieguy.com)