A 55 years old male patient presents with 4 cm x 5 cm lump in right neck. FNAC assessment revealed it to be a squamous cell carcinoma. Clinical assessment of the oral cavity, pharynx, hypopharynx and larynx did not yield any tumor. Whole body PET scan did not show any increased uptake except for the neck mass. A diagnosis of unknown primary was made. According to AJCC system of classification, the TNM status of the tumor would be:
Correct Answer: TxN2aMx
Description: Answer- D (TxN2aMx)Tx: Unknown primary (T status cannot be assessed)N2a: Metastasis in single ipsilateral LN, >3 cm but 56 cm in greatest diinension.Mx: Unknown presence or absence of metastasis
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