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What is 50 year tobacco chewer comes with chief complaints of a mass in the oral cavity of 1.5 cm with a single lymph node size <3 cm on ipsilateral neck. TNM stage is....... and explain in detail?
Ans. (d) T1 N1Ref: Bailey and Love Page 709Staging of Oral cavity Cancer:* T1 - <2cm* T2- 2-4cm* T3 - 4-6cm* T4 - adjacent structure involvement* N1-Ipsilateral single node <3cm* N2 a- Ipsilateral single node 3-6cm* N2 b- Ipsilateral multiple nodes all <6cm* N2 c- Contralateral nodes<6cm* N3- any node >6cm size* M1-metastasis