Complex sentence: After a number of scans it was clear she had suffered a subluxated disc, which was in fact caused by an underestimated ankle problem and due to the nature of the injury, time was given as the prognosis.
Split into simpler sentences: After a number of scans it was clear she had suffered a subluxated disc, which was caused by an underestimated ankle problem. Due to the nature of the injury, time was given as the prognosis.