Christina Applegate Cancer Free

The actress, who announced earlier this month that she was battling breast cancer, is thrilled to say that she is now "100%" in the clear.

"I'm clear," the Samantha Who star told Good Morning America in an interview airing Tuesday. "Absolutely 100 percent clear and clean. It did not spread. They got everything out, so I'm definitely not going to die from breast cancer."

Such a relief for Christina, who opened up to GMA about how she initially reacted to the diagnosis.

"I was so mad," she admitted. "I was just shaking and - and then also immediately, I had to go into... 'take-care-of-business-mode,' which was ... 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?"

Christina said she "immediately made those appointments and immediately called around for ... someone to start teaching me how to live macrobiotically."

The actress' mom also had breast cancer, which led to mastectomy, when Christina was just a kid. Having the family history, Christina did what she was supposed to, and began getting mammograms at age 30. Pretty smart -- because it probably just saved her life.

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