10 Must-Know Facts About Oral Cancer
8. Oral cancer spreads in the body through the lymphatic system, affecting the cervical (neck) lymph nodes to begin with. Chances of lymph node metastasis are 20-30% in early stage cancers (Stage I and II), while it rises to 60-70% in advanced stages (III and IV). Distant metastasis may involve (in order of probability): lung, bone, liver, GIT, brain, skin and kidneys.