“Cannabinoids exert antiproliferative properties in a variety of malignant tumors, including pancreatic ductal adenocarcinoma … Cannabinoids can induce apoptosis (programmed cell death) in cancer cells…Furthermore, they have been shown to decrease invasiveness of cancer cells.”
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2225529/?tool=pubmedÂ