above, acl, acls, anterior, arthrosis, cap, caps, cm, condylar, condyle, condyles, cruciate, cruciates, cyst, degenerate, degenerated, degenerates, degeneration, degenerations, degenerative, dramatic, factors, femoral, femur, femurs, film, films, front, frontal, ganglion, includes, joint, joints, knee, kneecap, kneecaps, knees, lateral, lateralis, ligament, ligaments, medial, medialis, meniscal, menisci, meniscus, mensicus, minimal, operation, operations, operative, osteoarthritis, patella, patellae, patellar, patellas, posterior, precipitating, procedure, procedures, prostheses, prosthesis, prosthetics, radiograph, radiographs, radiological, radiology, remaining, replacement, replacements, severe, showing, surgeries, surgery, surgical, tear, tearing, tears, tibia, tibial, torn, total, ventral, x-ray, x-rays, xrays, 2