Robert Kubica says he may undergo more surgery this winter in order to chase his "dream" of returning to F1.

Kubica's F1 career has been on hold since he suffered life-threatening injuries in a rally crash ahead of the 2011 season. With his right hand partially severed in the accident, Kubica has endured a slow recovery in terms of mobility, with rallying much easier for him than the enclosed space of a single-seater cockpit. However, with just two rallies left of his maiden WRC season, Kubica says he has not yet given up hope of returning to F1.

"Once the season is over I will look at everything," he told BBC Sport. "It will be a dream to come back to F1."

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And Kubica says he has made some improvements with his mobility but is aware he would need more surgery to have any chance of making a comeback.

"The arm and hand are OK. From a mobility point of view, there have been some improvements. From a limitation point of view, it's pretty much the same. So I need to have more surgery - and there are possibilities - but it's a tight season, there are many rallies and they are long events.

"Formula 1 would be a dream to come back but we have to stay realistic. If I decide to try and come back I will have more surgery this winter and maybe with the help of the doctors, and with some luck, it will be possible."

The 2014 WRC season ends with Wales Rally GB from 14-16 November.