system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A patient with oral cancer, had ipsilateral lymph node measuring 2 cm, single in number with capsular spread. According to TNM staging it is included under:
assistant
The correct answer is  Nx: Nodal status can't be assessed.
No: No lymph nodes.
N1: Single ipsilateral lymph node <3 cm
N2:
A: Single ipsilater lymph 3.6 cm
B: Multiple ipsilater lymph <6 cm
C: Bilateral or contralateral lymph nodes <6 cm.
N3:
Any lymph node with >6 cm, or
Any lymph node with capsular invasion.