Kerr says she was misdiagnosed when she first started feeling sick. Photo: Pierre Tostee//World Surf League

Eighteen-year-old phenom Sierra Kerr announced that she has been battling…
Kerr says she was misdiagnosed when she first started feeling sick. Photo: Pierre Tostee//World Surf League
Eighteen-year-old phenom Sierra Kerr announced that she has been battling…