Brain cancer can be counted amongthe most deadly and intractable diseases.Often diagnosed after a patient exhibitssymptoms such as nausea, dizziness,uncharacteristic behavior changes, orparalysis, the growing mass of a braintumor will continue to squeeze out normaltissue and degrade the brain's function ifleft untreated. But treatment is elusive.Tumors may be embedded in regions ofthe brain that are critical to orchestratingthe body's vital functions, while they shedcells to invade other parts of the brain,forming more tumors too small to detectusing conventional imaging techniques.Brain cancer's location and ability tospread quickly makes treatment withsurgery or radiation like fighting an enemyhiding out among minefields and caves,and explains why the term "brain cancer"is all too often associated with the word"inoperable."