Earlier this year, Stephanie Wysaski found out she was pregnant and expecting her fourth child. What she didn't expect was a breast cancer diagnosis . "It was a shock. It changed the course of my pregnancy, all of it," Wysaski told "Good Morning America." So while the 35-year-old has been nurturing a new life for the past several months, she's also been fighting for her own life. "Whoever thinks about getting a cancer diagnosis while pregnant?" Wysaski said. Weeks after learning she was pregnant, Wysaski said she watched a TV segment about performing breast self exams, and that prompted her to do one herself. "I feel a lump, a pretty sizable lump high on my chest," Wysaski recalled. "But I was nursing my then 11-month-old. I was newly pregnant. Things get lumpy when you're nursing." Wysask

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