WATCH: Tennis legend Chrissie Evert on fame, mentoring, giving back, and surviving cancer

A superstar since her teens, Chrissie Evert was a force in women’s tennis and popular culture throughout the 1970s and ’80s. She was on the cover of Newsweek, People, Sports Illustrated, painted by Andy Warhol during her time as world number one. She won a record seven French Opens, a record six US Opens, and three Wimbledons and 90% of her matches throughout her career – the highest winning percentage in tennis history.

Today, at 67, she’s helping young players learn more than just improving their tennis technique. Evert talks with CBS Sunday Morning correspondent Tracy Smith about the price she paid for her early success; her cancer diagnosis and chemotherapy; and how her sister Jeanne saved her life.

Women who carry a BRCA gene mutation have a higher risk for certain hereditary cancers, including ovarian and breast cancer. In this web extra, tennis legend Evert talks with Smith about the response she has had to opening up about her family’s cancer history.