Osteochondral lesion of the posterior medial femoral condyle with a full thickness articular cartilage tear is noted as well as a related posterior intra-articular 1.5 X 0.5 cm loose foreign body is noted just posterior to and indenting the posterior aspect of the posterior cruciate ligament and the posterior horn medial meniscus. Mild to moderate joint effusion. No ligamentous or meniscal tear.