immunotherapy

The method - called oral immunotherapy - is already proven to work for allergies to pollen, wasp and bee stings.

And working on her will is in line with what Teddi Mellencamp, who is getting radiation and immunotherapy, told Us Weekly earlier this month.

With donations, Louise travelled abroad for immunotherapy in Germany but ultimately it did not stop the fatal spread of the cancer.

Smith has received immunotherapy treatment for a rare form of lung cancer called pulmonary pleomorphic carcinoma, which he said had helped shrink his tumours significantly.

He is due to undergo a year of immunotherapy, a treatment that boosts the body's own immune system to fight the disease.