cancers are more likely to be tackled by combinatorial methods. 
A single method is very unlikely to prevent or cure any type cancer.  It might help to improve.  
Current and more fashionable cancer-tackling scheme: an array of individually tailored therapies, more frequent check-ups and flexible overall plans. 
Cancer of the same organ/part of the body can have different causes: i.e. what seen are the same, what went wrong inside cells are different.