The effect of non-ionizing radiation is well know here is one for example... quoting "At present, the fact that NIR exerts both stimulatory and inhibitory effects on different physiological cellular parameters is rather unquestionable." Source: http://www.ncbi.nlm.nih.gov/pubmed/9587915

The impact on specific diseases is still in its infancy, and thus shows little results. I doubt any oncologist would have install your proposed solution...