This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Facial Nerve And Its Disorders, Subject name: ENT
[{'content': 'What will be the staging of a squamous cell carcinoma if it T3N2Mo? \nSelect and explain. \nA. Stage II, B. Stage III, C. Stage IV, D. Stage I', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Squamous cell carcinoma is classified as stage IV when:(i). Regional nodal metastases are N2 or N3 .N2 , node is more than 3 cm but less than 6 cm. It may be a single ipsilateral node, contralateral node or one node in a group of nodes. N3 means node size is longer than 6 cm.(ii). When primary growth is T4 with or without nodal metastases.(iii). When distant metastases are present with any T.', 'role': 'assistant'}]