"On 5 September, I even underwent postoperative healing for a month," said Kaka wrote at Tweeter.
"I did a lot of physiotherapy and optimal healing. I'll be back soon," he continued.
Kaka serious knee injury which forced him to undergo surgery. He lost his first match of the season, when Real Madrid was arrested Mallorca.
He sure will come back fitter in the next few days, and ready to strengthen Los Blancos in Spanish Primera Liga and Champions League.
But Kaka is not commenting on rumors in Italy, Inter Milan keinginanan around bring him back to San Siro.