Which type of cancer is most commonly associated with perineural invasion in the head and neck region?
AAdenocarcinoma
BAdenoid cystic carcinoma
CBasal cell adenoma
DSquamous cell carcinoma
A 35-year-old female presents with a 5-cm tumor of the oral cavity and a single lymph node of 2 cm in diameter on the same side in the neck, and is staged as:
AT2 N1 M0
BT3 N1 M0
CT2 N2 M0
DT1 N1 M0
Which of the following stages of Breast Cancer corresponds to the following features: a breast mass of 6 x 3 cm, ipsilateral supraclavicular lymph node involvement, and distant metastasis that cannot be assessed?
AT4 N3 MX
BT4 N1 M1
CT4 N0 M0
DT3 N3c MX
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