3D, ABNORMAL, ANATOMICAL, ANATOMY, ARTHRITIS, ARTHROSIS, ARTWORK, BACKGROUND, BODY, CAP, CGI, DIGITALLY-GENERATED, DIMENSIONAL, DISEASE, DISEASED, FEMUR, FIBULA, GRAPHIC, HEALTH, HUMAN, ILLUSTRATION, INFLAMED, INFLAMMATION, JOINT, KAULITZKI, KNEE, KNEECAP, MEDICAL, MEDICINE, NO-ONE, NOBODY, PAIN, PAINFUL, PATELLA, RHEUMATISM, SEBASTIAN, THREE, TIBIA, UNHEALTHY, WHITE,