Check out this website www.grouppekurosawa.com
The website is facilitated by a Dr. of Immunology who has researched cancer and HIV among many other ailments his entire career. Namely, there are several members of the blog that are using MJ right now and are posting results as they intermittently.
There is an inspiring story of a woman who has late stage lung cancer who has been using MJ and has had some very good results.
There are a myriad of scientific studies regarding what MJ is and how it works on the blog.
You can read the free public blog for an overview or you can become a private member and get the detailed studies he writes.
http://grouppekurosawa.com/blog/
Good luck...