Christina Applegate says she is "100 percent free" of cancer.

The 36-year-old actress, who revealed she had been diagnosed with breast cancer earlier this month, has beaten the disease following a successful course of treatment.

She told US TV show 'Good Morning America': "I'm clear. Absolutely 100 percent clear and clean. They got everything out so I'm definitely not going to die from breast cancer."

The 'Samantha Who?' star also spoke of her shock when a second MRI scan revealed she had the life-threatening disease.

She added: "I was so mad and I just remember I was shaking. And then also immediately, I had to go into the 'take-care-of-business-mode'.

"I asked them: 'What do I do now? What – what is it that I do? I get a doctor, I get a surgeon, I get an oncologist? What do I do?'"

Applegate — who has had regular mammograms to check for the disease after her mother also battled it — changed her diet in a bid to get well.

She explained: "I immediately made those appointments and immediately called around for someone to start teaching me how to live macrobiotically."

A macrobiotic diet consists mainly of fish, beans and vegetables, and avoids processed foods.