Mia Villegas, daughter of pro golfer Camilo Villegas, died Sunday at just 22 months old, the PGA Tour announced Monday.
She had tumors on her brain and spine, which were first discovered in March.
"The PGA TOUR is deeply saddened having lost a member of our family, Mia Villegas," PGA TOUR Commissioner Jay Monahan said in a statement. "We grieve with Camilo and Maria and our thoughts and prayers are with the Villegas family."
Camilo Villegas first took his daughter for scans after noticing a change in her behavior.
"She was always like a little monkey, climbing on everything.