An old man who is edentulous developed squamous cell Ca in buccal mucosa that has infiltrated to the alveolus. Following is not indicated in treatment :: (A) Radiotherapy, (B) Segmental mandibulectomy, (C) Marginal mandibulectomy involving removal of the outer table only, (D) Marginal mandibulectomy involving removal of upper half of mandible
Answer is C. None