All of the following are true about carcinoma of the hard palate except:
ALymphatic metastasis is uncommon
BLarger tumors require maxillectomy
CAssociated with reverse smoking
DMost cancers are poorly differentiated and of ulcerative variety
The most common site for squamous cell carcinoma in oral cavity is -
AFloor of mouth
BBuccal mucosa
CTongue
DUpper and lower alveolus
What is the most appropriate treatment after resection of lateral border of tongue carcinoma with high-risk features (positive margins, perineural invasion)?
ASystemic chemotherapy
BAdjuvant radiotherapy
CSurgical neck dissection
DPostoperative observation
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