Normally Podophyllum peltatum ( mayapple) is used for the development of drugs used to treat testicular and small cell lung cancer due to its anticancer properties by producing podophyllotoxin and lignans.
Definitely cannabis. Lots of research being done in this area. Have seen a number of promosing anecdotal cases that are being studied. Lots of factors to consider such as cultivar, extraction method, carrier oil, dosage form and dosage. Lots more work to do in ths area.
An anticancer agent should kill tumor cells by inducing apoptosis, not necrosis. So far Marijuana has induced apoptosis in a wider range of cancer cell lines.