One red line marks the prior osteotomy of the posterior femoral condyle according to figure 10, the crossing line marks the Blumensaat's line.<p><b>Copyright information:</b></p><p>Taken from "The 5.5-year results of MegaOATS – autologous transfer of the posterior femoral condyle: a case-series study"</p><p>http://arthritis-research.com/content/10/3/R68</p><p>Arthritis Research & Therapy 2008;10(3):R68-R68.</p><p>Published online 16 Jun 2008</p><p>PMCID:PMC2483459.</p><p></p