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Petra Kvitova released from hospital after knife attack

  • FILE - This is a Wednesday, Jan. 20, 2016 file photo of Petra Kvitova of the Czech Republic, clenches her left hand as she reacts after winning a point against Daria Gavrilova of Australia during their second round match at the Australian Open tennis championships in Melbourne, Australia. Two-time Wimbledon champion Petra Kvitova has been injured by a knife-wielding attacker at her home on Tuesday Dec. 20, 2016. The player's spokesman, Karel Tejkal, says Kvitova suffered a left hand injury and has been treated by doctors.(AP Photo/Aaron Favila, File)

    FILE - This is a Wednesday, Jan. 20, 2016 file photo of Petra Kvitova of the Czech Republic, clenches her left hand as she reacts after winning a point against Daria Gavrilova of Australia during their second round match at the Australian Open tennis championships in Melbourne, Australia. Two-time Wimbledon champion Petra Kvitova has been injured by a knife-wielding attacker at her home on Tuesday Dec. 20, 2016. The player's spokesman, Karel Tejkal, says Kvitova suffered a left hand injury and has been treated by doctors.(AP Photo/Aaron Favila, File)  (The Associated Press)

  • Czech Republic's tennis player Petra Kvitova holds a statement for media in Prague, Czech Republic, Friday, Dec. 23, 2016. Two-time Wimbledon champion was injured Tuesday Dec. 20, 2016 when a knife-wielding intruder attacked her at her home in the town of Prostejov. Kvitova underwent nearly four hour surgery on her left hand. (AP Photo/Petr David Josek)

    Czech Republic's tennis player Petra Kvitova holds a statement for media in Prague, Czech Republic, Friday, Dec. 23, 2016. Two-time Wimbledon champion was injured Tuesday Dec. 20, 2016 when a knife-wielding intruder attacked her at her home in the town of Prostejov. Kvitova underwent nearly four hour surgery on her left hand. (AP Photo/Petr David Josek)  (The Associated Press)

  • Czech Republic's tennis player Petra Kvitova holds her hand after addressing media in Prague, Czech Republic, Friday, Dec. 23, 2016. Two-time Wimbledon champion was injured Tuesday Dec. 20, 2016 when a knife-wielding intruder attacked her at her home in the town of Prostejov. Kvitova underwent nearly four hour surgery on her left hand. (AP Photo/Petr David Josek)

    Czech Republic's tennis player Petra Kvitova holds her hand after addressing media in Prague, Czech Republic, Friday, Dec. 23, 2016. Two-time Wimbledon champion was injured Tuesday Dec. 20, 2016 when a knife-wielding intruder attacked her at her home in the town of Prostejov. Kvitova underwent nearly four hour surgery on her left hand. (AP Photo/Petr David Josek)  (The Associated Press)

Petra Kvitova's recovery from surgery on her left hand is going well after a knife-wielding intruder attacked her.

Kvitova was released from a hospital on Friday, three days after she was operated following injuries Tuesday in the attack her at her home in the town of Prostejov.

Kvitova says she was told by the surgeon who operated on her in a specialized clinic in the northern town of Vysoke nad Jizerou on Tuesday that her recovery is "fine and without complications."

Kvitova says "I feel better day by day."

Apparently in a good mood and smiling, Kvitova offered thanks for support she received from other players and fans.

Doctors estimate it will take her about six month to return to tennis. Kvitova says she will do all she can to come back.