DENVER--(BUSINESS WIRE)--Cannabis Science, Inc. (OTCBB:CBIS.OB) a pioneering U.S. biotech company developing pharmaceutical cannabis (marijuana) products, is pleased to release new updated photos from the 3rd cancer patient self-administering cannabis extracts. This patient has severe squamous cell carcinoma on their head that was resistant to chemo and radiation therapy, which left the patient with large tumor masses on their head. With these new photo updates you can see the drastic change in appearance of the tumors and how the topical cannabis extract is killing them.