cancer noun definition in Ailments and diseases topic from the Oxford Advanced Learner's Dictionary

cancer

 noun: Ailments and diseases topic
[uncountable, countable] a serious disease in which growths of cells, also called cancers, form in the body and kill normal body cells. The disease often causes death. lung/breast cancer cancer of the bowel/stomach Most skin cancers are completely curable. The cancer has spread to his stomach. Smokers face an increased risk of developing lung cancer. cancer patients cancer research