阿姆斯特朗小时候练游泳,后改练铁人三项,13岁即参加全美少年组比赛并拿到冠军。21岁时他再次改行,成为职业公路自行车选手。4年之后,他被查出患有睾丸癌,并且已扩散到脑组织和肺部。他去医院切除了一侧睾丸,并且决定接受化疗,医生告诉他只有40%的生存机会。此时,阿姆斯特朗做出了一 Armstrong as a child practiced swimming, triathlon after conversion, 13-year-old to participate in the National Junior Competition and get the championship. When he was 21 years old, he changed again to become a professional road bike player. Four years later, he was diagnosed with testicular cancer and had spread to brain tissue and lungs. He went to the hospital to cut off the testicles and decided to undergo chemotherapy, and the doctor told him that he had only 40% chance of survival. At this point, Armstrong made one