Alternatives to conventional medicine may seem like your only choice right now, but few prove to have documentable positive results and usually only are part of a "complimentary" treatment to conventional protocols. If things are not getting better, (mass is significantly larger) please check the clinical trials link on the resources page, you may find through those connections a viable program that he will qualify for. While clinical trials are experimental in nature, sometimes they are the last best hope for a reversal of a negative outcome. You might try this link as a starter
http://clinicaltrials.gov/ct/gui/action/FindCondition?ui=D009062&recruiting=true