After the expedition to Papua New Guinea, another one followed: the most dangerous expedition in Petra Thaller’s life. In December 2014, the German journalist had climbed the Carstensz Pyramid, with an altitude of 4,884 meters the highest mountain of Oceania, making it one of the “Seven Summits”, the highest peaks on all continents. Shortly after her return Petra realized that her breast was changing. The doctor’s diagnosis: cancer. Six tumors in her right breast. Later, even a seventh developed. Thaller was committed to fight against the disease, the full program: surgery, chemotherapy, antibody therapy. And she continued to do sports. “I was really fit back then,” the 55-year-old from the German town of Munich tells me. “I started super-trained into chemotherapy, and I’ve always been doing sports during all twelve therapy cycles. I continued to run. And I was fine.” Petra wanted to share this experience with other cancer patients. Therefore she founded the initiative “Outdoor against Cancer” (OaC).

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