High jumper Sam Grewe wins gold, heads to medical school

Sam Grewe of the United States warms up before the men's high jump T63 final during the Tokyo 2020 Paralympics Games at the National Stadium in Tokyo, Japan, Tuesday, Aug. 31, 2021. (AP Photo/Eugene Hoshiko)

Sam Grewe of the United States reacts in the men’s high jump T63 final during the Tokyo 2020 Paralympics Games at the National Stadium in Tokyo, Japan, Tuesday. (AP Photo/Eugene Hoshiko)

USA’s Sam Grewe competes in the Men’s High Jump T63 Athletics Final during the Tokyo 2020 Paralympic Games in Tokyo, Tuesday. (Simon Bruty for OIS/via AP)

Sam Grewe of the United States competes in the men's high jump T63 final during the Tokyo 2020 Paralympics Games at the National Stadium in Tokyo, Japan, Tuesday, Aug. 31, 2021. (AP Photo/Eugene Hoshiko)

Sam Grewe of the United States prepares to compete in the men's high jump T63 final during the Tokyo 2020 Paralympics Games at the National Stadium in Tokyo, Japan, Tuesday, Aug. 31, 2021. (AP Photo/Eugene Hoshiko)

Sam Grewe of the United States competes in the men's high jump T63 final during the Tokyo 2020 Paralympics Games at the National Stadium in Tokyo, Japan, Tuesday, Aug. 31, 2021. (AP Photo/Eugene Hoshiko)

TOKYO — Sam Grewe made a choice when he was 13 to have his right leg amputated after he was diagnosed with an aggressive bone cancer.