N3a TNM staging of head and neck tumors (AJCC 8th edition) shows:
AMetastasis in a lymph node >6 cm
BMetastasis in lymph nodes >2 cm
CMetastasis in lymph nodes >5 cm
DNone of the options
Which of the following is the most significant premalignant condition of the oral cavity?
AFordyce spots
BMedian rhomboid glossitis
CErythema multiforme
DErythroplakia
Which of the following is not a premalignant condition for oral cancer?
ALeukoplakia
BErythroplakia
CSystemic Sclerosis
DOral submucous fibrosis
+ 7 more in the PDF
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