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The lexicon of oncology is filled with military metaphors: the war on cancer, aggressive tumors, magic bullets. And although these are indeed only metaphors, they do reflect an underlying attitude--that it is the clinician's job to attack and destroy his patient's tumor directly, with whatever weapons that come in handy. \_37\_ There is even talk of biological agents, in the form of viruses specifically tailored to seek out and eliminate their tumorous targets.
Instead of attacking cancer directly, immunotherapy recruits a patient's immune system to do the attacking. The latest way of doing so is by removing the controls which keep the immune system in check during times of bodily peace, let it damage the person it is supposed to be protecting. Now, as a series of papers presented in June 2013 to the annual meeting of the American Society of Clinical Oncology in Chicago shows, its range is being extended. Which of the following best completes this passage?
AThis is bad news for all cancer patients.
BSun Tzu would surely have approved.
CIf such approaches are confirmed, cancers will be nowhere to find.
DThat, in an oncological context, is where immunotherapy comes in.正確答案
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