Important - she should refuse to sign any docs accepting financial responsibility for the corrective op. Insist that the surgeon accept liability for the theatre and hospital fees, and that he or his proxy sign.
That won't work. I had a wrist repair done in 2004 and the surgeon ommitted to connect up a tendon. It only surfaced some 6 weeks later with an x-ray when the wrist was still weak. The surgeon offered to perform the corrective surgery free, but the hospital and anaethetist wanted their cut, which came to R 22 000. Even worse was that the hospital plan declined to foot the bill due to a clause relieving them of liability for unsuccessful procedures. After much wrangling they paid half
