This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oral cavity, Subject name: Surgery
All of the following are true about carcinoma hard palate except: 
Select and explain. 
A. Associated with reverse smoking, B. Most cancers are poorly differentiated and of ulcerative variety, C. Lymphatic metastasis is uncommon, D. Larger tumors require maxillectomy
B: Most cancers are poorly differentiated and of ulcerative variety
Answer: B: Most cancers are poorly differentiated and of ulcerative variety 
Explanation: CANCER OF HARD PALATE: - SCC of hard palate is rare, Associated with reverse smoking. - Minor salivary gland tumors occur in the hard palate. - Well differentiated and of ulcerative variety. Clinical features - Presents as Painless mass in the roof of the mouth - Lymphatic metastasis is uncommon, mainly to level I and II Treatment: - Smaller tumors: Excision with underlying bone. - Larger tumors: Maxillectomy Radiotherapy is used is advanced lesions.