Late Saturday, Bernal posted a story on Instagram showing him wearing a hospital gown and giving a thumbs-up. The accompanying caption in Spanish read, "I'll see you soon, my friends. Don't worry - this only gives me motivation to train hard for the rest of the season."
The 22-year-old Bernal won the weeklong Paris-Nice race in March for Ineos' only major win this season. Bernal now could ride in support of defending champion Geraint Thomas and four-time winner Chris Froome at the Tour de France.
Pavel Sivakov of Russia, a 21-year-old who recently won the Tour of the Alps, will likely now be Ineos' leader for the Giro.
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