63.1歲雄性未去勢拉不拉多犬(Labrador),右前肢跛行,觸診時疼痛。根據附圖之X光影像,最有可能的疾病為何?(A)肥大性骨病(hypertrophic osteopathy)(B)肥大性骨營養不良(hypertrophic osteodystrophy)(C)全骨炎(panosteitis)(D)骨髓炎(osteomyelitis)