When Shannen Doherty's cancer came back as Stage 4, she sat down with journalist Amy Robach on Good Morning America.She could have never imagined that five years later she would be on Shannen's podcast without her.Amy remembers the day Shannen bravely shared her devastating diagnosis with the world, and what Shannen said that made her heart sink.

Amy also talks about the life-saving mammogram she received at age 40, and how she found out AFTER her double mastectomy that she had a malignant tumor that went undetected. Plus, a cartoon quote that Shannen shared with Amy that she thinks about to this day.

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